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Library for creating PNG, JPEG, or WBMP images

'gd' is a library used to create PNG, JPEG, or WBMP images. It has many nice features and can be used in scripts (e.g. PHP) for dynamic image generation.


User manual available in HTML format from


version 2.2.4 (stable)
released on 18 January 2017




Verified by

Verified on


Verified by

Janet Casey

Verified on

27 June 2003

Leaders and contributors

Thomas Boutell Maintainer

Resources and communication

AudienceResource typeURI
Bug Tracking,Developer,
Ruby (Ref)

Software prerequisites

Required to uselibpng
Required to usezlib
Weak prerequisitezlib (both for PNGs); FreeType 2.x (for TrueType font support)
Weak prerequisitelibjpeg and jpeg-6b or later (both for JPEGs); libpng

This entry (in part or in whole) was last reviewed on 29 March 2018.


"image-processing" is not in the list (C, C++, Image-processing, Java, Localization, User-interface, JavaScript, Web) of allowed values for the "Library" property.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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