Free Software Directory:IceCat extensions (proposed)

Important: "Edit" is blocked. I suggest that FSF check the session timeout settings for the MediaWiki that runs on this server as this is a long table. I could "Edit" (Sematic Forms?) to CheckFox in the list but it took some time (and that was merely 20% of the full table). Its not possible to use "Edit" with all add-ons listed in one page, please distribute this repository with 25 add-ons per page in 20 pages and add a page numbers at the bottom (as in the Trisquel web browser repository).

See this page for approved add-ons listed in this page. See GNU IceCat add-on third-party repositories for tools for the add-ons in this page.

Currently over 500 stable and essential add-ons are listed.

Disclaimer: This page are compiled from two add-ons repositories, Trisquel web browser (~500 add-ons, merged 2015-03-18), and free add-ons from A List of Stable, Non-Conficting and Essential addons (picked from ~700 add-ons); Many add-ons are present in both repositories so its hard to say exactly how many add-ons that have been reviewed. Also note that the repository on this page has superseeded the these repositories for the following reasons: Many add-ons have been added that is not found in these repositories as add-ons here have been updated, removed, replaced for following reasons: incompatibility with IceCat 31.5.0 (based on Firefox ESR 31.5.0), buggy, superseeded, bad rating, not significant popular, Service as a Software Substitute (SaaSS), and known mass surveillance services (commercial cloud/social media). The reason why you don't find these add-ons on the IceCat page is because they are not published on the Free Software Directory. Certain sections of this repository have been added to the Trisquel web browser repository including: OpenSearch engines.

Add-ons that were listed on addons.mozilla.org without any license were manually downloaded and reviewed.

Urgent: Please help us setting up Greasemonkey as HTML5 Video Everywhere!, and GNU Gnash, are not sufficient to play videos on some popular websites. Some free Greasemonkey User Scripts, like ViewTubePlus can can be used to play these videos.

NOTE: The formatting of this collection was broken and some information was lost on the categorization.

OpenSearch engines

DuckDuckGo (non-JS Lite SSL)	DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension adds DuckDuckGo (non-JS Lite version) to the search bar. For more features, see the DuckDuckGo Plus add-on. Enjoy!
DuckDuckGo (non-JS SSL)	DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension adds DuckDuckGo (non-JS HTML version) to the search bar. For more features, see the DuckDuckGo Plus add-on. Enjoy!
Free Software Directory search	This is a search plugin for the Free Software Directory, a catalog of useful free software that runs under free operating systems.
GoogleTranslate	Automatically translate from any language to your language.
Ixquick HTTPS Privacy Search Engine	Ixquick does not record your IP address. Search the Web in the best possible privacy!
Searx.me search	Search searx.me, a hackable metasearch engine.
Startpage (SSL)	Startpage is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Startpage.
Wikileaks Search	This addon simply allows you to search the archives of Wikileaks
Wikipedia (SSL)	Wikipedia is an openly-editable, free content internet encyclopedia. This search bar add-on utilizes SSL to protect searches between You and Wikipedia.

Essential add-ons: Priority group 1

Awesome Throbber
drag to scroll (reloaded)
Hide Caption Titlebar Plus	"Maximize your screen space by controlling the presence of Firefox window Title-bar (Caption) & borders!", to be like Chrome Browser. - Hide FF's caption with 'smart' options, *optional* custom caption & resizers. - Works with ChromiFox-like themes.
Multiple Addon Deactivator	Multiple Addon Deactivator (M.A.D) is an addon that can (de)activate one, many or each addon at the same time.
New newtab tab
Paragrasp
Sidebar Auto Show/Hide	Review notes: Consumes way less CPU than All-in-One Sidebar (AiOS)
Sidebars List	Review notes: “I personally find it simpler and more convenient than Omnisidebar. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=25 Consumes less CPU
WikiMatrix

Essential add-ons: Priority group 2

Bookmark Quick Mover
Bookmarks Scrollbar
Bookstack
Config Descriptions
Copy HTML
Ctrl-Tab
Cycle Input Focus
easyScroll
Extension Auto-Installer	Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
FF Rocker
File and Folder Shortcuts
HackSearch
History Submenus II
lmnpop
Load Tabs Progressively
Lock The Text
Magic Open Download Folder Button
Master Password Timeout
ModestTab
More In Content UI +
MouseControl
MySlashKey
New Tab Pro
Newtab Ninja
ProfileSwitcher	Review notes: “Better than Switchy, which is another addon to switch between firefox profiles. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Progre
QuoteURLText
Re-Pagination
SavedSearchButton
Scroll Up Folder
SelectBoxTools
Send Link in context menu
Simplify Awesome Bar
Stay-Open Menu
storeTab
Tab Flick
Tab History Menu (modified)
Tab Scope Tweaker
TabCloser
TabGroups Menu
Tabhunter	Review notes: “ Can search for text in all open tabs. Other addons that can do this are "Fastest Fox" and "Find in Tabs". Fastest Fox does this most reliably, but is has many more features than the one described here, you may not need all those features, but it is restartless. Using the addon Togglify, you can enable it quickly when you need it. Find in Tabs is no longer developed, but among the comments section of the addon, you can find a patched version that can be downloaded from non-mozilla websites and works with newer versions of Firefox. I personally prefer Tab Hunter. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=35
Toggle Word Wrap
Togglify Add-on Toggler	Review notes: “ A great great addon. I don't know why it isn't more famous. It is a must have for those who use like 200+ addons like do at a time. It provides you with one button for each restartless addon to toggle between enable/disable each restartless addon. Install Togglify, then go to menubar>view>toolbars>customise; presto, you can see the new buttons, now you can place them on any toolbar you want. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=44
Undo Tab Operations
Unsorted Bookmarks Folder Menu
URL Tooltip
View Dependencies
Visual Hashing
Window and Tab Limiter
Xinha Here!

Essential add-ons: Priority group 3

1-Click YouTube Video Download	The simplest YouTube Video Downloader for all YouTube Flash sites, period.
Adblock Edge	Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist. Review notes: Developer recommends IceCat: “A very similar Example of a fork like Adblock Edge is GNUicecat which re branded and added additional privacy features to Mozilla Firefox.” - http://adstomper.bitbucket.org/Faqs.html
Add to Search Bar	Make any pages' search functionality available in the Search Bar (or "search box")... Review notes: “You can add many search engines to your firefox search bar from the Mycroft Project website. I use search engines for many purposes from searching Song lyrics, to use the dictionary and the thesaurus, to search for an email in my GMail inbox, to search for people on Facebook etc. This addon is indispensable to me. I use it in the following ways (A). From the mycroft project website, I have added Google search for pages within the last 1 day, 1 week, 1 month and 1 year to the search box. This is immensely helpful. If I want latest news, I only search for webpages that have been updated/created within the last 1 day/1 week and so on. If I want to know about the latest research on Down's syndrome, I search using the Google search for 1 year. Perfect! (B). My translation needs are very basic. I use these three more efficient methods to translate pages or text within pages: 1. Bookmarklets 2. Flagfox addon 3. Simply go to the google translate page and use the "Add to Search bar" addon to right click in the translate box and Add it to your firefox search engines! Voila, now you can simply paste text in your firefox search bar and get its translation in a new tab. It becomes even better if you use the addon "Selected Search" too. With Selected Search, you don't need to paste your text in the search bar and press enter. If you have 'Selected Search' you only need to select the text you want to have translated and then press the button for google translate among the search engines that pop-up - a new tab with the translation pops up.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Add-on Compatibility Reporter	Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.
AddressBarCleaner
Advanced Cookie Manager	A must have tool for Web Developers and Testers to Manage and monitor web cookies. Features List: Add, Delete, Modify, Export / Backup, Import / Restore, Monitor cookies
AutoAuth
Bitcoin Price Ticker
Blend In
Booky
Browser View Plus (PlayLink)
Browsizer	Review notes: “Export only the contents of one bookmarks folder into a single HTML file. You can use the addon called "Flem" to get addon advantages. Flem reads urls within txt and html files and can load those urls one by one, all at the same time or selected urls in one go. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=26
CheckFox
Click&Clean	The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner. Review notes: This is the only free add-on that we know can delete Flash LSO (flash coockies).
Close Repeated Tabs
Color Transform	Review notes: “In this list you will find the following addons to alter the look of a webpage 1. Color Transform 2. Blank Your Monitor 3. Textise 4. Column Reader 5. Tranquility 6. Readable. 7. No Squint Out of these BLANK YOUR MONITOR is my favourite because it is extremely fast at transforming the appearance of a page. It changes the page as per your settings within an eyeblink of your pressing the button. COLOR TRANFORM is almost equally fast, it has the advantage of being a lot more customisable; But Color Transform requires you to click on its button twice(rather than once like Blank your monitor) i.e once to open the pop-up that lists the various kinds of layouts you can choose, the second time to select a layout. TEXTISE simply gives you a text-only version of a webpage which is useful if you want to save a webpage, but you can also use it to improve the readability of the page. COLUMN READER: If you read extremely long wikipedia articles, you will like Column Reader. For simple one or two pages long articles you should use either TRANQUILITY or READABLE..... Column Reader, Tranquility and Readable all take a longer time than the other addons to remove the clutter from a webpage. Column Reader takes the longest time, but improves readability the most from among Column Reader, Readable and Tranquility - this is why its time consuming transformation is worth it only on longer pages and research articles. 7. NO SQUINT: Allows you to zoom in/out of a page. What is special about it is that you can zoom the page separately and zoom the font size of the text separately and Save the settings!. So you can enlarge the text more than you enlarge the images if you so desire. The ability to save website specific settings is unique to No Squint from among the 7 addons I have described. [My preference: Use Blank your Monitor for small pages and Column Reader for longer pages like Research papers etc.. Blank your monitor is sufficient for most purposes once you have customised a webpage using No Squint and saved the settings] “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=17
Copy Extensions to Clipboard
Customizable Shortcuts	Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...
Dafizilla Table2Clipboard	Review notes: Especially useful: “Table2Clipboard - Select column”
DblClicker	Double-click action for Firefox - double-click Link, Bookmark/History to open in new tab (emulate ctrl+click).
Deletebutton
Disable Anti-Adblock	Disables anti-adblocker scripts
Disable clipboard manipulations
Disable Plugin & Mimetype Enumeration	Prevent sites from grabbing a list of your plugins & mime types.
Disable Visited Links	This plugin cleanly disables visited link styles.
Disable WebRTC	WebRTC exposes your internal network IP(s), without user interaction.
Disconnect	Make the web faster, more private, and more secure.
Drag-n-Drop Multiple Files
Element Hiding Helper for Adblock Plus	Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier. Review notes: This add-on requires the following add-ons to work properly: Adblock Plus, Adblock, Adblock Edge, or SpyBlock
Enable Click to Play
Encrypted Communication
external IP	This extension display your current external IP address in the browsers statusbar. Review notes: Also seen with the WorldIP add-on
Firebug	Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page... Review notes: Firecookie is part of Firebug since Firebug 1.10
FlashGot Mass Downloader	Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Focus Follows Mouse
Free Memory	An add-on to perform free-memory operations without visiting about:memory.
Free Proxy List	Is a easy way to use proxies in firefox from Proxy List site. You will have just to click a button to setup the proxy in your browser. ProxyList.ro tool for changing proxies.
FxKeyboard	A virtual keyboard for Firefox. Adds a keyboard to the bottom of the window. Usefull for touchscreens or kiosks setups.
GNU LibreJS	GNU LibreJS aims to address the JavaScript problem described in Richard Stallman's article The JavaScript Trap. It is a free add-on for Mozilla browsers. It blocks nonfree nontrivial JavaScript while allowing JavaScript that is free and/or trivial.
GotoImageUrl	Review notes: “"GotoImageUrl" - On clicking on a Google image search result, it takes you straight to the webpage hosting the image. "ttfc-google image search modifier" - On clicking on a Google image search result, it takes you to the full sized image straightaway. "Google Image Help" - Lets you open all full sized google images from any single search results numbered page in a single tab, arranged from top to bottom on the same single page. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=47
Greasemonkey	Customize the way a web page displays or behaves, by using small bits of JavaScript. Review notes: User Scripts are licensed separately by their authors so you should check them separately in order to verify if they are free software.
Group/Sort Tabs
HTML5 Video Everywhere!	Replace video player with Firefox native video player. Review notes: 31.4.0 IceCat users: Primary choice: Upgrade to IceCat 31.5.0. Second choice: Install this add-on to upgrade from HTML5 Video Everywhere! 0.1.1.
HTTPS Everywhere	Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
InlineDisposition	Review notes: “At last, no need to confirm "open with..."!”
ipFlood	Simulate the use of a series of proxy changing at each new connection.
Keylogger Beater
KillSpinners
LanguageToolFx
LeechBlock	LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them. Review notes: “The best addon to block websites that distract you. Lets you set up groups of websites. You can then block either single websites or the whole groupsYou can block websites/groups by time of the day as well. Very feature rich and stable.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Leet Key	Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...
Link Alert
Link Password
Link Properties Plus
Linky
Lucifox	Read EPUB e-books and browse OPDS catalogs. Review notes: “Read ePub Books using firefox. Also see the addons "Save as ePub" and "GrabMyBooks" both of which convert webpages to ePub. GrabMyBooks is the more fully featured of the two but Save as ePub is simpler. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Mailvelope	Enhance your webmail provider with end-to-end encryption. Secure email communication based on the OpenPGP standard.
Master Password+	Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter. Review notes: “Locks your Firefox windows with an opaque password protected screen if you have been away for x number of minutes. There is no way to circumvent it if you adjust the settings properly. Be careful to remember your password.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
MinimizeToTray revived	Minimizes windows into the system tray. Review notes: “Note Minimises Firefox to tray instead of closing it. But I prefer another addon called "Tray Hotkey" which also allows you to set the transparency of a firefox window; A function that you can use to view youtube videos in another browser as you use a transparent FF window on top of it.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
MM3 Proxy Switch	In the Firefox Browser (and other Mozilla programs) you can per default configure only the setting for one internet connection. With this Proxy Switch you can manage different configurations and simply switch over between these.
NewTab Background Shuffler
No Flash	Replace Youtube and Vimeo Flash video players embedded on third-party website by the HTML5 counterpart when the content author still use the old style embed (Flash). HTML5 Video Everywhere! Notes: "Some legacy sites force using Flash player, you will need to install no-flash add-on to support them."
NoScript Security Suite	Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks. Review notes: µBlock or Adblock Plus based add-ons provides great power & flexibility in controlling cross-site requests, but requires writing rules. NoScript that blocks all scripts (or RequestPolicy for cross-site requests) provides an interface that is quick & easy to use, and perhaps most importantly, gives feedback about which requests are being blocked/allowed on each page, but without the fine-grained permissions that the other mentioned add-ons allows.
NoSquint	NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.
OPIE (Ordered Preference Import/Export)
Places' Tooltips
Print Edit	Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.
ProxTube - Unblock YouTube	In some countries YouTube videos are blocked! Unblock them with this Addon.
Quick Translator	The most lightweight and easiest translator. Translate between more than 80 languages with one click or a hot key. Translate from one word to a whole page.
QuickJava	Review notes: “ I think this is much better than things like NoScripts. Much less cluttered, much less time wasting and much more simpler to use. The only negative - it takes space of 5 buttons on the addon bar(although the buttons are beautiful, I must say). If you want only one button to toggle all plugins, use the Pluggin toggler.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Random Agent Spoofer	Rotates complete browser profiles (from real browsers / devices) at a user defined time interval. It includes many extra privacy enhancing options
Reader	Reader is the ultimate Reader tool for Firefox. Review notes: Text improvement
Redirect Remover	Removes Redirects like http://redirectremover.mozdev.org/?www.mozilla.org from Links and Images
Reload Plus	Reinstates the extensions.checkCompatibility preference without respect to the current application version.
ReminderFox	ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program. Review notes: Popups are seen outside the Firefox window which is great as you get reminded no matter in which software you work.
RequestPolicy	Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks. Review notes: Is RequestPolicy an alternative or competitor to NoScript? No! :) NoScript is a tool that gives you a default deny policy for JavaScript, Java, Flash and other plugins. NoScript allows you to whitelist scripts and objects from domains you trust. RequestPolicy is a tool that gives you a default deny policy for cross-site requests. RequestPolicy allows you to whitelist cross-site requests you trust. - https://requestpolicycontinued.github.io/#faq-noscript
RequestPolicy Sync	Sync engine for RequestPolicy.
Save File to
Save Text To File	Review notes: “Also see the addon "stf" (STF stands for Save Text to File too) “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Scriptish	The greatest user script engine on the Internet (a fork of Greasemonkey). Review notes: User Scripts are licensed separately by their authors so you should check them separately in order to verify if they are free software.
Scroll Search Engines
Search Site	Review notes: “ Useful” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=18
Security Tab Colorizer	When installed this addon will colorize your tabs depending on the protocol they use (currently [http/https red/green respectively] only). So you would know if you are browsing through a secured connection even if you have hidden the navigation bar.
Self-Destructing Cookies	Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
Server Spy	Server Spy indicates what brand of HTTP server (e.g. Apache, IIS, etc.) runs on the visited sites.
Session Manager	Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually. Review notes: “You can also use Tab Mix Plus's Session manager instead of this. But the advantages of Session manager are 1. More powerful, Stores more sessions 2. If you also have the addon "Session Manager Export tool" then you can export and save your sessions.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
ShareMeNot	Designed to prevent third-party buttons (such as the Facebook “Like” button or the Twitter “tweet” button) embedded by sites across the Internet from tracking you until you actually interact with them.
Show Parent Folder
SimilarWeb - Website Traffic Sources and Ranking	Get in-depth traffic and engagement stats for any website with a single click. See how popular a website is, its traffic sources, average time on site, ranking info, top referring sites, paid keywords, related mobile apps, and much, much more.
SmartPager
SmoothWheel	Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled). Review notes: Suggested add-on installation is a WIP to workaround a the scroll bug in HTML text fields. We need that fix to Edit our Wikis. Read https://bugzilla.mozilla.org/show_bug.cgi?id=1054737 for development. Read http://smoothwheel.mozdev.org/um_welcome.php for news release
SSleuth	How strong is your HTTPS connection? SSleuth ranks an established SSL/TLS connection and gives a brief summary of the cipher suite, certificate and other SSL/TLS parameters.
Stylish	Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.
Tab Scope	Preview and navigate tab contents through popup. Review notes: “Consumes a good amount of RAM. Do not use if you have more than 70 addons or have less than 1GB RAM.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
TabClearSearch3
tabTooltip
Tamper Data	Use tamperdata to view and modify HTTP/HTTPS headers and post parameters... Review notes: More popular than Modify Headers
Terms of Service Didn’t Read	“I have read and agree to the Terms” is the biggest lie on the web. We aim to fix that. Get informed instantly about websites' terms & privacy policies, with ratings and summaries from the tosdr.org initiative.
The Addon Bar (Restored)	Gives you a place to put all your add-on buttons without over-crowding the navigation bar.
Thumbnail Zoom Plus	Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.
Toolbar Autohide	Enables automatic hiding of toolbars (tabs, navigation, bookmarks and add-on bar) via context menu options. When hiding, toolbars will appear when the mouse is at the top of the window or when activated by keyboard (e.g. Ctrl-l, Ctrl-k, F10). Review notes: “The only addon at this time(FF22 is the latest version), that reliably can autohide the addons bar, and exist stably with my 233 active addons. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
TooManyTabs - Saves Your Memory	Review notes: “The best addon to save pages to read later. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Tree Style Tab	Show tabs like a tree. Review notes: “Useful, Delightful! But I am unable to use it because then I am unable to use many other Tab related addons. Tab Kit 2nd edition gives me some of the functions of Tree style tabs and also plays well with Tab Utilities if the settings are set properly.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Undo Bookmarks Menu
Wappalyzer	Wappalyzer is a browser extension that identifies software on websites.
Web Developer	The Web Developer extension adds various web developer tools to the browser.
Web of Trust - WOT	Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.
WorldIP	Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter.
YouTube High Definition	YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
YouTube Video and Audio Downloader	Zotero plugin to manage your attachments: automatically rename, move, and attach files to Zotero items, sync PDFs from your Zotero library to your (mobile) PDF reader (e.g. an iPad, Android tablet, etc.) and extract annotations from PDF files.
Youtube Video Replay	Youtube Video Replay is a new tool that lets you replay Youtube Videos.
µBlock	Finally, an efficient blocker. Easy on CPU and memory.

Essential add-ons: Priority group 4

about:addons-memory
Add Bookmark Here ²	Add a menuitem "Add Bookmark Here..." to Bookmarks...
Add-ons Manager Context Menu	Add more items to Add-ons Manager context menu. Review notes: “Useful for people like me who have enabled 220 addons, and have another 200 disabled for later use. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Addons Manager Hilite
Addons Quick Search	Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories. Additionally remember and restore last selected item in each list.
Addons Recent Updates	Show more addons recent updates
Advanced URL Builder
All Tabs Helper
All-In-One Sidebar	AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
Anti-Porn Pro	Cloudacl WebFilter is cloud based porn content filtering application monitoring millions web sites and billion of web pages to keep you family especially your kids away from sex, nudity and adult content.
Auto Context
Auto-Sort Bookmarks	Sort bookmarks by multiple criteria Review notes: “Right now it sorts bookmarks only by Alphabet. I have kept it in the list hoping that it will provide more options in the future. Although sorting bookmarks alphabetically is a good enough feature for most my needs. You see, sorting em alphabetically also results in sorting them by domain name in most cases. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
AutoCopy 2	Copies selected text to the clipboard automatically. Review notes: “ The best Autocopy addon out there. Remember this is not "Autocopy". This is "Autocopy 2". It can autocopy everything as plain text if used along with the "Copy Plain text 2" addon. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Automatic Save Folder	Review notes: “Thank you for installing Automatic Save Folder. Please, read this message carefully to make potential changes to your preferences. This page will only be displayed once, on first install or when important changes must be communicated.”
Automatic window resizer	This Extension can automatically (or when manually called) fit the size of the firefox-window to the size needed to best display the current website or an object (flash, video, ...) on the page.
AutoPager	AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo.. It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts. You can also try AutoPagerLite. Review notes: “ If you use an old or low resource computer, stay away from this. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Back to Top
BackupFox
Bamboo Feed Reader	Feed reader
BBSFox	telnet client extension specifically designed for BBS browsing. It support mouse browsing and FireGestures script.
Best Reader Lite
Blank Your Monitor + Easy Reading	BYM: Changes color combination ; left-click in the statusbar for changing its status (ON/OFF) or press Ctrl-Alt-B. ER: Makes text reading easy; select the text, right-click, select the "Easy Read" entry in the context menu or press Ctrl-Alt-Z
Bloody Vikings!	Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net. Review notes: “Or use the addon Gish It(or GishIt's bookmarklet). Gish it is the best temporary email service out there. A pity it isn't a part of the Bloody Vikings addon. The Bloody vikings addon though offers you 10 free temporary email services to choose from.“ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Bluhell Firewall
Bookmark All	Review notes: “Very useful to save tabs in a hurry, requires only one click. See also "Bookmark current tab set". “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=20
Bookmark Current Tab Set	Review notes: “ Bookmark Current Tab Set in one step( all tabs are bookmarked to a location you have already set in the settings) or two steps(a dialog pops up allowing you to chose a name and a location for the folder where the tabs will be bookmarked to). See also the addon "Bookmark all" which allows one step bookmarking described above. The advantage of "Bookmark all" is that it gives you a button that you can place anywhere you like and press to bookmark all addons - more convenient, but you cannot chose a custom name and location for the new folder thus created. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=23
Bookmark Deduplicator
Bookmark Tab	Bookmarks Tab is a very simpe and lightweight extension which displays a list of your bookmarks in the middle of newly opened tabs.
Bookmarks Checker	Check favorites for broken or bad links. It checks for bad links and displays a report if it finds something. Check for 404 links, timeout links.
Bookmarks Sidebar Scroll Retainer
Boss Key and Buttons
Brief	Brief makes reading RSS feeds as easy and intuitive as it gets. Designed to have exactly the right set of features, it is powerful and simple at the same time. Feeds are presented on a seamless, interactive page which let's you bookmark and tag items with a single click.
BugMeNot	Bypass compulsory web registration with the context menu via www.bugmenot.com. Review notes: “Sometimes works, sometimes doesn't. BugMeNot also provides a bookmarklet. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Cache Status	Easy cache status & management from status...
CanvasBlocker	Blocks the JS-API for modifying <canvas> to prevent Canvas-Fingerprinting.</canvas>
Capture & Print	This add-on lets you print a webpage's area easily.
Certificate Patrol	Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.
ChatZilla	A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
Check4Change	Check4Change (aka C4C) is a simple extension that allows you to periodically check a web-page for updates... Review notes: “If you want to check a page for changes occurring over a period of days/weeks/months, use "Update Scanner". If you want to be alerted about changes that occur over seconds/minutes/hours, use "Check4Change". Following RSS Feeds, if a page makes them available is the best way to keep abreast of changes made to a webpage, but if a webpage does not make RSS feeds available, then using "Update Scanner" or "Check4Change" is the only way to check whether any changes have been made to the webpage.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
ChmFox
Classic Toolbar Buttons	'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.
Clean Links	Converts obfuscated or nested links to genuine clean links.
CLEO	CLEO (Compact Library Extension Organizer) is a Firefox extension that works with FEBE* to package any number of extensions/themes into a single, installable .xpi file.
Clickless Menu
cliget	Download files using curl or wget. This addon generates curl/wget commands that emulate the request as though it's coming from your browser allowing you to download protected files directly to a separate machine (e.g. server).
Close other tabs
Column Reader	Web reader for wide screens and long documents. Read with pleasure in one of many attractive layouts. NEW: Integrated image viewer with pan and zoom + Choice of replacement font. For Firefox 24.0 and newer. Review notes: Text improvement
Console²	Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
Copy All Links
Copy Plain Text 2	Copies text without formatting Review notes: “You can use Copy plain text alone or with another addon which enhances its function even more. Copy Plain Text 2 integrates with another addon "Autocopy 2". Autocopy 2 enables you to autocopy text as soon as you highlight it without pressing Ctrl+C. If you use Copy plain text 2 with Autocopy 2 then you can autocopy everything as plain text if you wish. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Copy Urls Expert	Provides options to 'Copy Urls of All Opened Tabs in Current Window', 'Copy Urls of Tabs in All Windows', 'Copy Urls of All Links in Selected Text' and 'Copy Urls of All Images in Selection'. Allows to open multiple tabs.
CopyAllURLs
Cryptocat	Cryptocat lets you instantly set up encrypted conversations. It's an open source, private, safer chatting alternative. Cryptocat uses the OTR encrypted messaging protocol to offer accessible communications to everyone.
Custom Buttons	Gives a possibility to create custom toolbarbuttons...
Custom Tab Width	Lets you customize the minimum and maximum tab width.
Default FullZoom Level	Set Default FullZoom Level, Toolbar buttons for Page zoom and Text zoom. Review notes: Disability
deskCut
Destroy the Web	Turn any webpage into a shoot-em up video game. With a pulse pounding soundtrack and high scores for every web page, Destroy the Web is a fun way to take a little break during the day. Review notes: Games
diaspora* Advanced Sharer	A button to share on diaspora* via diaspora* Advanced Sharer ( http://sharetodiaspora.github.com/about/ ).
diaspora* Easyshare	Easily share web content on your Diaspora* pod.
Disable Add-on Compatibility Checks	Reinstates the extensions.checkCompatibility preference without respect to the current application version. Review notes: Use at own risk. Useful for developers.
Document Font Toggle
Download Manager (S3)	This is a new life in Firefox 26+ for old well-known addon Download Statusbar
Download Scheduler
Download Status Bar	If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
Downloads Context Menu
Drag & DropZones	Review notes: “An addon that you really don't need if you use the other search related addons in this list. But it certainly is a new way of searching and can be used to impress your girlfriend. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=16
Draggable Star
Drupal For Firebug	Drupal for Firebug extends the Firebug module to provide Drupal debugging and status messages. Review notes: App
Edit Bookmark Plus
Element Properties	Returns the 'Properties' menu item that was removed in Firefox 3.6 to the context menu.
ErrorZilla Plus	Review notes: “There are two addons that let you open a cached version of a webpage(i.e. a snapshot of a webpage, that now doesn't exist or would not open, taken in the past) - ErrorZilla Plus and Resurrect pages. Both use 5-6 services like Google cache, Wayback machine etc. to show you cached pages. Both do so by adding links to the error page that shows up when you fail to connect to a webpage. The advantage of "Resurrect pages" is that it opens the cached page for each of the 5-6 services in a separate tab, thus allowing you to try all services quickly. The advantage of "ErrorZilla Plus" is that it also adds a Proxy button for you to open the webpage using a proxy service in case the website is inaccessible at your location/your country. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=25
Expire history by days	Review notes: “Prevents firefox from slowing over a period of a few months when the History gets bloated. I have kept the default setting of 9 days to delete history. It has a dramatic positive effect on the long term stability of firefox. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=20
ExportHTMLFolder
Extended Statusbar	A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
Extension Options Menu	Adds extension options dialogs to the Tools or Titlebar menu and includes toolbar icon.
EZ Drag-n-Drop
Fasterfox Lite	Fasterfox Lite: Performance and network tweaks for Firefox, without the Enhanced Prefetching. This is a fork from the original "Fasterfox".
Fastest Weather Forecast	Fastest Weather Forecast is the easiest way to check the weather while you browse internet Review notes: International weather forecast, not just the US.
FavIcon Reloader	FavIconReloader reloads Favourite Icons by retrieving information from all bookmarked web sites.
FEBE	FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.
Fierr	Replaces the error page with a more stylish appearance with additional features.
Find In Numbers
FindBar Tweak	Anything between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, FindBar Tweak will make your find toolbar "just right"!
Fire Commander
Firebug Autocompleter	Firebug command line autocomplete.
Fireclam	Use ClamAV to scan Firefox downloads for viruses. Review notes: Windows
Firediff	Track Changes in Firebug
FireFontFamily	Highlight the rendered font-family in Firebug
FireGestures	A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures. Review notes: “This is a better, more stable, faster Gesture navigation addon than the more famous competitor All-in-One Gestures. But, do not install this addon if you have more than 30 addons. It slows down firefox a slight bit. For a guy like me with 150+ enabled addons, that slight bit of slowing is not acceptable.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Firemacs	Emacs editing/viewing keybind
FirePHP	FirePHP enables you to log to your Firebug Console using a simple PHP method call. Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/
Firepicker	Simple color picker plugin for Firebug.
FireQuery	Firebug plugin for jQuery development
FireRainbow	Javascript syntax highlighting for Firebug
FireSSH	FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!
Flashblock	Review notes: “The best flashblocking addon from among all of them. This is one of the few flashblockers that save bandwidth by preventing flash content from loading on a page before it is rendered. There are other flashblockers that let flash load, and then block it, which hardly saves any bandwidth. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
FlashFirebug	Debug Flash/SWF files on the web. Edit properties and inspect elements on the fly. View log output inside the extension. Run AS3 code against the active SWF. Access assets with the Explorer. View AMF calls and Shared Objects and much much more...
Flem	Review notes: Best slideshow tool
Font Finder	FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
For Human Eyes Only
Force Content-Type
Form History Control	Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes. Control for which webpage form history is saved or not.
FoxBleed	Checks the websites you are visiting whether they are affected by the Heartbleed vulnerability.
FoxClocks	FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
FoxVox	Review notes: “FoxVox can also create audiobooks in mp3, ogg, and wav formats.”
FoxyProxy Standard	FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
FromWhereToWhere	Review notes: “A useful addon for those who search for a lot of stuff. But if you're not careful, this addon bloats up Firefox and slows it over a period of a few months. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=36
Gish It!	Create a GishPuppy Disposable Email Address via right-click or Tools... Review notes: “Gish It! also provides a bookmarklet on its website. Gish It is the best temporary email service out there. Also see another addon called Bloody Vikings; it gives you 10 temporary email services to choose from; but it doesn't include GishIt, which is the best of them all. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=40
GNotifier	Add-on for Firefox and Thunderbird. Integrates Firefox's notifications with the OS's native notification system. It supports most Linux desktops and Windows 8.
Go-Mobile
HackBar	Simple security audit / Penetration test tool.
Hide BookmarksBar
Hide Find Bar	Hide the Find Bar after a certain interval of inactivity has elapsed.
Hide Tab Bar With One Tab	Hide the tab bar if there is only one tab.
Hide Tabbar
HideScrollbars	"Hide Scrollbars" add-on removes scrollbars for those who prefer mouse wheel and keyboard navigation. Review notes: Minimalist
HTML Desktop Notifications
Html Validator	HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon
HTTP Nowhere	Block unencrypted web traffic for added security.
HttpFox	An HTTP analyzer addon for Firefox
Image Resizer/Scaler	Simply resize/scale any images on the web by dragging an image!
Image Search Options	Image Search Options provides a set of highly customizable reverse image search context menu options.
Image Zoom	Adds zoom and rotation functionality for images...
ImgLikeOpera	ImgLikeOpera allows load only the images that you want in Firefox browser. This extension is very useful for non broadband users... Review notes: Slow connection
InFormEnter	InFormEnter adds a small, clickable icon next to every input field in a web form, from where you can select the item to be inserted - no typing required.
Inline Code Finder for Firebug	Inline Code Finder is an add-on to Firebug, to be able to find HTML elements with any of the below issues: Inline JavaScript events, inline style, javascript: links
InstantFox Quick Search
IpProtocols
It's All Text!	Edit textareas using an external editor, because it's all text!
Jamendo Album Downloader	Download albums in Ogg Vorbis and MP3 format from www.jamendo.com
JavaScript Debugger	As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed. Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.
jQuery	jQuery and jQuery UI embedded in browser
JSONView	View JSON documents in the browser.
Just Disable Stuff	Just disable JavaScript - toggle it on and off. No fancy toolbars, icons, windows, unnecessary functions. Just do it. You can also disable images. And CSS. And multimedia.
KeeFox	Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.
Keyword Search	Search in the awesome bar without changing your search engine.
Kitsune	Kitsune is a Firefox extension which enables users to input Japanese in Firefox without external Japanse IME.
Launch Clipboard	Review notes: “Very useful when used with "Send Tab URLs". SendTabURLs copies the URL and name of all your currently open tabs to the clipboard/a text file/email client. You may anytime copy those links from that text file or email you sent yourself, and use Launch Clipboard to open them all in new tabs. ” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Lightbeam	Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.
LinkWalker
list-it
Live HTTP Headers	View HTTP headers of a page and while browsing.
LiveClick	Adds feed reading, notifications, favicons, and other enhancements to Live Bookmarks.
Locale Switcher	Displays a menu item for switching the application locale.
Location Bar Enhancer	Changes the Location Bar of Firefox into a Breadcrumb display with rich and interactive features. Review notes: Puts emphasis on the domain to reduce spoofing risk. Also, “ I generally do not go for addons that serve the sole purpose of improving Firefox's looks. But this addon is clearly an exception. Improves the Location bar's looks by a factor of 100000000 times. Oh, and it does add a few small but handy-to-have functions, although you'd could probably rarely use them. I'd suggest that you give it a try. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
MediaPlayerConnectivity	Allow you to launch embed video of website in an external application with a simple click.
Memory Restart	Review notes: “There is also an auto restart feature”
Menu Wizard	Customize menus : Helps removing, moving and renaming menus and menu items. Colorize important menu for ease of use! (use Style (CSS)). Change or disable any of used keyboard shortcuts. Support: Firefox, Thunderbird and SeaMonkey
MinUI
Modify Headers	Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.
Morning Coffee	Keeps track of daily routine websites and opens them in tabs...
Most Recent Tab
Mouseless Browsing	Mouseless Browsing (MLB) enables you to browse the web entirely with the keyboard. The basic principle is to add small boxes with unique ids behind every link and/or form element. You just have to type in the id to trigger the corresponding action i.e. following a link, pressing a button or selecting a textfield...
Move Tabs
Mozilla Archive Format, with MHT and Faithful Save	Open web pages saved with Internet Explorer or other browsers (MHT). Save many tabs, video and audio reliably, in a single ZIP file (MAFF). Return to the original site you saved a page from, and more!
Mozilla Labs: Prospector - Instant Preview	Start loading pages as you select them from the location bar suggestions
Multiple Tab Handler	Review notes: “An indispensable addon for people who work with a lot of tabs.. Select tabs using Ctrl and/or Shift + click and Close/Pin/Protect/Bookmark/Duplicate/Reload those selected tabs. Perfect! Particularly useful when used with Tab Mix Plus and Tab Groups manager. ” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Muter
My Weekly Browsing Schedule
MyWords
New Plugin Disabler	Deactivates all plugins on startup.
New Tab from Location Bar	Opens new tabs from the location bar, by conditions.
New Tab Tools
NewsFox	NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.
NewTabURL	Select the default URL when new tabs are opened. The options are: "A blank page", "The home page", "The current page" or a user defined URL. When there is an URL in the clipboard, it is also possible to open automatically that URL in the new tab.
NextPlease
NoiaScrollbars	The "NewScrollbars"-extension replaces the default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".
Noise
Notepad (QuickFox)	Review notes: “ The best text-only note taking utility for Firefox. It keeps your notes saved among your bookmarks in a folder of its own. So, whenever you sync/save or transfer your bookmarks, your notes too are synced/saved/transferred. Therefore, you can share your notes with other people simply by sharing your bookmarks with them. The only other text-only note taking addon that compares with QuickFox Notes is QUICK NOTE. The one major difference is that Quick Note saves your notes locally, in a folder on your own computer. If you do not care where your notes are stored - QuickFox Notes is certainly the better option. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Omnibar	Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
Omnibar Plus
OmniSidebar
Online Convert
Open in Browser	Offers the possibility to display documents in browser window.
Open in Private Browsing Mode	Right-click on a link to instantly open it in Private Browsing mode. (Or right-click anywhere to quickly open private browsing mode.) Review notes: Already integrated in FF ESR
Open Profile Folder
OpenDownload²	OpenDownload² extends the "Save" dialog by a "Run" button to open the file directly.
OPML Support
OverbiteFF	Add legacy protocol support back to Firefox and SeaMonkey with OverbiteFF, which restores support for Gopher servers, plus CSO/ph searches, finger, whois and more! Cross-platform JavaScript runs anywhere Firefox does.
Password Exporter	This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Pentadactyl	Vim-inspired, keyboard-accessible user interface for Iceweasel/Firefox
Personal Menu (Personal Firefox Button)	Bring back your personal and powerful Firefox Button!
Personas Shuffler
Places Maintenance
Plain Text Links	With any text that can be treated as a URL, using this extension you can right click on the text and select "Open this URL".
Prevent Tab Overflow	Make sure your tabs stay visible all the time.
Print selected text
Privacy Badger	Protects your privacy by blocking spying ads and invisible trackers. Warning: This add-on is in alpha, so you may find some bugs! Read more: https://www.eff.org/privacybadger Review notes: “This add-on is in alpha, so you may find some bugs!”
Private Tab	Adds private tabs.
Prostetnic highlighter
Public Fox	Block downloads, lock down bookmarks/addons/downloads with a password. Review notes: “Password protect your Addon settings, Downloads, Bookmarks, History, Firefox Options, Toolbar customisation. An excellent tool if you 1. Run an Internet kiosk 2. Are a parent who wants to prevent a child from removing the anti-porn addons that you have installed 3. Are a porn downloader who wants to keep your activities private. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Pure URL	Removes garbage like "utm_source" from URLs
QuickNote	A simple note-taking extension. Review notes: “ Stores your notes locally on your computer. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
QuickPasswords
QuickToolbars	Review notes: “ Set just one button to hide/unhide any number of toolbars you chose in the settings(including the ones created by other addons). “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=36
Rainbow Color Tools	Color tools for web development. Color picker and eyedropper + saving colors and trying out colors with drag and drop.
Ratings Preview for YouTube
RECAP	Improves PACER, the electronic public access system for the U.S. Federal District and Bankruptcy Courts.
RefControl	Control what gets sent as the HTTP Referer on a per-site basis. Review notes: Privacy and security
ReloadEvery	Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
RememberPass
ResetSearchbar
Restartless Restart	This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
Resurrect Pages	Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...
Right Links	Review notes: “Right click links to open them in new tabs. Also, Provides a button to toggle this function on and off. So you can switch it off when you want to use right click for other purposes(like when you want to copy text). Quite handy at times.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Right-Click-Link	Opens selected text in a new tab.
RSS Feed Icon in Navbar	Add an RSS feed icon to the navbar.
RSS Ticker	RSS Ticker loads your Live Bookmarks and scrolls their entries across your screen while you surf.
Sage	Review notes: “News Fox is better and more fully featured. NewsFox is almost similar to most standalone desktop RSS Feed readers. Use Sage only if you want less functionality and a light, simple interface. Sage will naturally, consume less RAM than NewsFox(the difference is not huge though). “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=15
Save Image in Folder	Easily save images in personally customized...
Save Images
Save Link in Folder
Save-To-Read	Review notes: “ I keep both Pocket(also called Read-It-Later in the past) and Save-To-Read. In Pocket, I store my best articles and hub pages(which contain a collection of links to follow) - the kind of stuff I want to keep forever. In Save-to-Read, I store links that I only need to visit once. The difference between Save-to-Read and Pocket is that - 1.Save-to-read save your links on locally your on computer and Pocket save your link online, in your Pocket website account 2.Save-to-Read can shows your links in the sidebar or in a pop-up,; Pocket shows your links in a Pop-up. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=16
Saved Password Editor	Adds the ability to create and edit entries in the password manager.
Saved Passwords Button
SaveLink
Scientific Calculator Toolbar	A full-featured scientific calculator which can be placed in any Firefox tool-bar or the Australis PanelUI.
ScrapBook	Helps you to save Web pages and organize the collection.
ScrapBook Plus 2	Attention! Alpha version! Do not use as a replacement for ScrapBook Plus 1! Review notes: Alpha version.
Screengrab (fix version)	Screengrab! saves webpages as images.
ScribeFire Next
Scroll Progress	When scrolling vertically, shows a percentage indicator displaying how far down has been scrolled on the page.
Scroll To Top	A plugin to scroll to top and vice versa of a window. It is really beautiful and is highly customizable..
Search on Engine Change	Automatically searches for the text in the search box when another search engine is selected.
SearchLoad Options
searchOnTab	This extension allows users to select where are loaded the results of the search bar...
SearchPreview	Review notes: “Also see the addon "Search GBY" which adds a few more functions. If search preview is all you're interested in, then chose this addon over Search GBY.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
SearchStatus	Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.
SearchThisSite
Secure Login	Secure Login is an extension for Firefox integrated password manager.
Selected Search	Review notes: “ Use this addon with 1. Add to Search Bar and 2. Organize search engines. For me, it has become absolutely indispensable. As soon as I highlight any text, this addon automatically pops up a tiny 40*40 pixel grid showing each of my 25 addons in a tiny box. I can then select the engine I want to search the selected text with. So, as soon as I see a movie whose name I haven't heard, I highlight its name and select IMDB to search IMDB.com for that movie. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=26
SelectionSK	Review notes: “ Functions similar to the older and therefore more popular Auto Context addon. But AutoContext is no longer being developed by the developer and will not work with Firefox 3.7 and above(unless you use the workarounds I have written in my xomments on Auto-Context). Selection SK has all the functions of Auto-Context and then some more. So it is a sufficient replacement for Auto-Context. To me Selection SK is an indispensable addon. However, I keep it switched off using its red/green button until I need it, because unlike Auto-Context, Selection SK is a big addon and slows down Firefox. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=28
Selenium IDE Button	Just one simple toolbar button to open Selenium IDE. You need to have installed Selenium IDE: http://seleniumhq.org/projects/ide/
Send Tab URLs	Review notes: “Copy the Names and URLs of all open tabs in a numbered or non-numbered list to either the clipboard, a text file or send them by email using GMail or your favourite email client. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=20
SenSEO	SenSEO is an extension checking the most important on-page-SEO-criteria and calculating a grade of how good your site fulfills these criteria.
Show Anchors 2
Show My Password	You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.
Sidebar Bookmarks Search Plus	A tree of the bookmarks is displayed under search results of the sidebar bookmarks.
Silent Block	Minimum and fast URL blocker by regular expression.
Simple Clocks
Simple Mail
Simple Timer	A timer/clock residing in the toolbar.
Smart Find
Smart Referer	Send referers only when staying on the same domain. You can whitelist domains with wildcards and configure other things, look in the preferences page of the addon in the addon manager.
SmileySidebar
Sort Tabs Command
Space Next	Review notes: “Useful. Also see "PageZipper", which I think is even more useful. You can also use SpaceNext + PageZipper together. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=20
Speed Dial	Direct access to your most visited websites
Speed Dial (FVD)	FVD Speed Dial - Speed dial button, Online Synchronization, New Tab Start Page, Organize bookmarks, Custom backgrounds, custom dials, organized groups, most visited dials.
SQL Inject Me	SQL Injection vulnerabilites can cause a lot of damage to a web application. A malicious user can possibly view records, delete records, drop tables or gain access to your server. SQL Inject-Me is Firefox Extension used to test for SQL Injection vuln...
SQLite Manager	Manage any SQLite database on your computer.
Stylish Tools
stylishsync	Sync engine for Stylish with backup / restore facility.
Switch to Tab no more	Disables the Switch to Tab function. Review notes: Read http://www.technospot.net/blogs/how-to-disable-switch-to-tab-in-firefox/
Tab Auto Reload	"Maximize your screen space by controlling the presence of Firefox window Title-bar (Caption) & borders!", to be like Chrome Browser. - Hide FF's caption with 'smart' options, *optional* custom caption & resizers. - Works with ChromiFox-like themes.
Tab Data (+Memory usage)	Provides user with tab related stats and memory usage
Tab Focus	Review notes: Switch to tabs withouts mouse clicks-
Tab Mix Plus	Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager. Review notes: “An absolutely indispensable addon. A few words of note : (A). You can also use Tab Mix Plus's Session manager instead of the separate addon 'Session Manager'. But the advantages of Session manager are 1. More powerful, Stores more sessions 2. If you also have the addon "Session Manager Export tool" then you can export and save your sessions. (B) Tab Mix Plus can be made even more powerful if you use it alongwith two more addons - Multiple Tab Handler and Tab Groups Manager. ............................... I am using Firefox 18 at the time of writing. And these days I prefer Tab Utilities over Tab Mix Plus because it allows me to stack Tabs like Opera. Tab Mix Plus so far does not have this function. Also I use the addon Tab Kit 2nd Edition which plays better with TU than with TMP. The advantages of Tab Mix Plus are that although it offers fewer functions than Tab utilities, those functions are solidly built and complete. Also most developers who make tab related addons ensure that their addons are compatible with Tab Mix Plus, so TMP works well with most other Tab related addons (except Tab Kit 2nd Edition which works with Tab Utilities better because both were developed by the same guy)” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Tab Utilities	Review notes: “I am using Firefox 18 at the time of writing. And these days I prefer Tab Utilities over Tab Mix Plus because it allows me to stack Tabs like Opera. Tab Mix Plus so far does not have this function. Also I use the addon Tab Kit 2nd Edition which plays better with TU than with TMP. The advantages of Tab Mix Plus are that although it offers fewer functions than Tab utilities, those functions are solidly built and complete. Also most developers who make tab related addons ensure that their addons are compatible with Tab Mix Plus, so TMP works well with most other Tab related addons (except Tab Kit 2nd Edition which works with Tab Utilities better because both were developed by the same guy) “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Tabs Menu
TagSpaces
Text Link	Allows URI texts written in webpages to be loaded by double clicks.
Text to Voice	http://en.wikipedia.org/wiki/Text-to-voice. TTS gives Firefox the power of speech. Select text, click the button on the bottom right of Firefox window and this add-on speaks the selected text for you. Isn't it brilliant? Audio is downloadable.
Textarea Cache
Theme Font & Size Changer	Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Themes Menu
TiddlyFox extension for Firefox
Tile Tabs	Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.
TinyURL Generator	An extension to silently generate a TinyURL for your current page at the click of a button. Also shows you where TinyURLs on the web will take you.
Toggle animated GIFs	Start/stop GIF animations through a keyboard shortcut or by clicking them. You can also restart animations from the beginning, or disable animations by default. Review notes: “ Note that 1. It toggles only 'animated' GIFs. (There are other addons out there, like "GIF Blocker" which blocks all GIFS whether animated or not.) 2. The hotkey to toggle animated GIFS using this addon is Control+M, which to me is inconvenient. But I circumvent this issue by using another addon called "Togglify", which allows me to toggle this addon itself, instead of using Ctrl+M. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Toolbar Buttons	Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
Tor Flashproxy Badge	Simple extension that makes Firefox a bridge for censored users in countries with oppressive regimes.
Torrent Status Tool	Torrent status in my browser and single-click torrent submission. Supports uTorrent, BitTorrent, qBittorrent, Deluge, KTorrent, Transmission, and Vuze/Azureus.
Tranquility	Makes a Web Page readable. Review notes: Text improvement
TrayHotKey
Turn Off the Lights	The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
Turn Off the Lights Mini	Dims the brightness level of your browser’s background and lets you enjoy watching a video online. No fancy extras, just lightweight, perfect darkness!
TweakMDB - IMDB Video Downloader & More
UAControl	Control what gets sent as the User-Agent on a per-site basis.
uggc protocol	ROT-13 http:// (uggc://) URLs should just work.
Undo Closed Tabs Button	This extension allows you to undo closed tabs via a toolbar button or the right-click context menu.
Unicode Input Tool Converter	Unicode lookup and chart view to find international characters or symbols; converts among HTML/XML entities, numeric character references (hex and dec), CSS/JavaScript/PHP6 escape sequences, and Unicode; allows saving of snippets to paste
uniqtabs (Unique Tabs)	Review notes: “A new addon. Therefore a bit buggy. But it has some unique functions. I have kept it in the list hoping that it would improve with time as the developer fixes it. “- https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=37
UnMHT	UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
Update Scanner	Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds. Review notes: “If you want to check a page for changes occurring over a period of days/weeks/months, use "Update Scanner". If you want to be alerted about changes that occur over seconds/minutes/hours, use "Check4Change". Following RSS Feeds, if a page makes them available is the best way to keep abreast of changes made to a webpage, but if a webpage does not make RSS feeds available, then using "Update Scanner" or "Check4Change" is the only way to check whether any changes have been made to the webpage. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
UploadProgress	Displays the progress of the current uploads. Useful for sites that does not shows the upload progress like youtube.
URL Fixer	URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied. Review notes: “Incompatible with "ErrorZilla Plus" and "Resurrect Pages". I personally need the functions of Error Zilla Plus more than URL fixers'.” - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
URL Link	URL Link is a small Firefox and Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.
URL Logger
URL Tooltip for Firefox 15+	Displays target URL in tooltips.
User Agent Switcher	The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.
User-Agent JS Fixer	Extends the functionality of other User-Agent addons, allowing them to modify the User-Agent for JavaScript code. Review notes: “This addon can change the JavaScript User-Agent on a per-site basis, rather than changing for the whole session. It does nothing by itself, but it complements the functionality of another addon like UAControl109 or ua-site-switch110.”
Vertical Toolbar
View Frames
VimFx	VimFx introduces Vim-style keyboard shortcuts for browsing and navigation without using the mouse.
Vimperator	Make Firefox look and behave like Vim
WCAG Contrast checker	Checks for compliance with the contrast levels, brightness and shine in the color combination of foreground and background of textual content based on the requirements of WCAG 1 and WCAG 2.
WebODF	Viewer for OpenDocument Format office files. It can display documents saved from LibreOffice, OpenOffice, Calligra, Abiword, Microsoft Word, Excel, PowerPoint. The documents should be saved in the OpenDocument Format. Review notes: MozPlugger can be used instead
WikiLook	Leading dictionary lookup add-on. Fast, light, open source tool that define words for you without need to open new tabs or windows. Wiktionary&Wikipedia. Ctrl or Shift or Alt + RightMouseButton click. Now with thesaurus. 70+ languages supported! Review notes: “ If you use Wikipedia a lot, this addon will enhance your experience and increase your productivity. Just hovering on any wikipedia link within wikipedia will show you a summary of the page behind that link. You could also use Interclue or Cool Previews to do the same though. If you want to see the definition of a word quickly(whether on wikipedia or on anyother page), just Ctrl+RClick the word and you will be shown a tiny popup definition of the word from wiktionary. The addon "Wiktionary and Google Translate" can do the same wiktionary popup thing, plus it can be used for word translations too. However, its popup is ugly and method of activation(selecting or double clicking a word for popup) may interfere with your other functions. I personally use WikiLook+Interclue as a combination/ “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/?page=29
wmlbrowser	Simulate WAP browsing by viewing WML (Wireless Markup Language) pages.
WorldClient WebMail Notifier	Checks for new mails in the MDaemon Email Server.
XPath Checker	An interactive editor for XPath expressions.
YesScript	A JavaScript blacklist
YouTube Embed2Link
YouTube Grid Search and Preview Player
Zoom Page	Review notes: “Supports fit-to-width in one click(like Opera). The only addon that does so. See also NoSquint which does not have the fit to width function in one click, but can save your settings(which you can set to fit-to-width) and load them everytime you revisit the page. “ - https://addons.mozilla.org/en-US/firefox/collections/ChessWriter/my/
Zotero autoexporting	Exports library of Zotero automatically to specific format like bib, RDF etc.
ZotFile	Zotero plugin to manage your attachments: automatically rename, move, and attach files to Zotero items, sync PDFs from your Zotero library to your (mobile) PDF reader (e.g. an iPad, Android tablet, etc.) and extract annotations from PDF files.

Complete themes

Aeon	A cool theme with pleasant colors.
Aeon Big	Aeon Big is a big, bright theme for when you need large icons on your browser.
Aeon Clouds	A cool theme with sky and clouds for background.
Aeon Colors	Aeon Colors is a fun, colorful theme that is bright and cheery.
Aeon Jumbo	Aeon Jumbo is a theme designed for when you need very large icons. Very helpful with 24-inch iMacs.
Aeon Small	A cool theme with pleasant colors. This theme uses the smaller of the toolbar iconsets from Aeon 6 and earlier. NOTE: To get a dropdown history from a forward or back arrow, right click on it.
BlackFox V2	BlackFox - A dark & hot theme for Firefox. Fully skinned and animated.
BlackFox V2-Blue	BlackFox - Blue version. A dark and hot theme for Firefox. Fully skinned and animated.
Bricks for Firefox	Bricks for Firefox, theme optimized for using your own background. Based on the Nautipolis/LittleFox framework.
Classic Theme Restorer (Customize UI)	Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).
Ecology	New version optimized for the new Australis interface. An all green theme "Ecology". It is composed of large icons for easy navigation.
LavaFox V2	LavaFox - A dark and hot theme for Firefox. Fully skinned and animated.
LavaFox V2-Blue	LavaFox - Blue version.A dark and hot theme for Firefox. Fully skinned and animated.
LavaFox V2-Green	LavaFox - Green version.A dark and hot theme for Firefox. Fully skinned and animated.
LavaFox V2-Purple	LavaFox - Purple version.A dark and hot theme for Firefox. Fully skinned and animated.
Littlefox for Firefox	LittleFox, designed for optimal screen usage, leaving lots of room for browsing. Includes support for many extensions.
MicroFox for Firefox	MicroFox is LittleFox, but with retro/micro 8bit graphics. Smallest theme there is for all.
Nautipolis for Firefox	Nautipolis for Firefox: a blend of retro, nautical, Areo and Gnome. Designed for daily use, with consistent layout, buttons, widgets, with support for many extensions.
Nuvola FF	Theme based on the Nuvola icon set by David Vignoni (http://icon-king.com/?p=15).
Red Cats (blue flavor)	There can never be too many cats! Turn your Firefox into Firecat and enjoy browsing in the furry company. The theme also comes in green flavor. Beta version for Firefox 32.x -38.x is currently available at the support forum and the home page.
Red Cats (green flavor)	There can never be too many cats! Turn your Firefox into Firecat and enjoy browsing in the furry company. The theme also comes in green flavor. Beta version for Firefox 32.x -38.x is currently available at the support forum and the home page.
Scribblies Brite	A brightly colored theme with fun icons. The juggler juggles his balls while pages load.
Scribblies Plain	A fun theme with a plain background. Be sure to watch the juggler juggling his balls while pages load.
Walnut2 for Firefox	Walnut2, based on icons from art.gnome.org. Includes support for help, inspector, downloadstatusbar, downloadmgr, calendar, quicknote, offline, toolbarext. and many other extensions. Install "About Home Themer" to also theme the about:home page.