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Creates PNG, JPEG, or GIF images on the fly

'fly' creates PNG, JPEG, or GIF images on the fly from any program. Using Thomas Boutell's gd graphics library for fast image creation, it provides a command line interface for creating and modifying images.


User's guide available in HTML format from


Download version 2.0.1 (stable)
released on 17 June 2009


Related Projects


LicenseVerified byVerified onNotes
License:SimplePermissiveNoNonWarrantyJanet Casey15 January 2003

Leaders and contributors

Martin Gleeson Maintainer
See for a complete list Contributor

Resources and communication

AudienceResource typeURI

Software prerequisites

Required to usezlib 1.1.3
Required to uselibpng 1.2.0
Required to usegd 1.8.4
Weak prerequisitelibjpeg

This entry (in part or in whole) was last reviewed on 26 February 2017.


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