Popularity

5.5

Growing

Activity

9.6

Stars 700

Watchers 56

Forks 230

Last Commit 6 days ago

Code Quality Rank: L2

Programming language: C

License: GNU General Public License v3.0 or later

Tags: Image Processing

Latest version: v2.3.2

GD alternatives and similar libraries

Based on the "Image Processing" category.
Alternatively, view GD alternatives based on common mentions on social networks and blogs.

OpenCV

10.0 9.8 L1 GD VS OpenCV

Open Source Computer Vision Library
tesseract-ocr

9.9 9.7 L1 GD VS tesseract-ocr

Tesseract Open Source OCR Engine (main repository)

Less time debugging, more time building

Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

Promo scoutapm.com

libvips

8.6 9.5 L3 GD VS libvips

A fast image processing library with low memory needs.
OpenMVG (open Multiple View Geometry)

8.6 7.7 GD VS OpenMVG (open Multiple View Geometry)

open Multiple View Geometry library. Basis for 3D computer vision and Structure from Motion.
VTK

7.7 9.9 L1 GD VS VTK

Mirror of Visualization Toolkit repository
OpenImageIO

6.9 9.5 L1 GD VS OpenImageIO

Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.
OpenEXR

6.8 9.0 L1 GD VS OpenEXR

The OpenEXR project provides the specification and reference implementation of the EXR file format, the professional-grade image storage format of the motion picture industry.
ITK

6.6 9.8 L2 GD VS ITK

Insight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing, segmentation, and registration of scientific images in two, three, or more dimensions.
Magick++

6.1 2.8 GD VS Magick++

Go binding to ImageMagick's MagickWand C API
CImg

5.9 9.2 GD VS CImg

The CImg Library is a small and open-source C++ toolkit for image processing
Video++

5.0 0.0 L2 GD VS Video++

Video++, a C++14 high performance video and image processing library.
VIGRA

4.6 3.4 L1 GD VS VIGRA

a generic C++ library for image analysis
hiptext

4.4 1.6 L3 GD VS hiptext

Turn images into text better than caca/aalib
SVG++

4.1 2.3 L3 GD VS SVG++

C++ SVG library
GDCM

4.0 7.1 L1 GD VS GDCM

Grassroots DICOM read-only mirror. Only for Pull Request. Please report bug at http://sf.net/p/gdcm
Boost.GIL

3.6 5.7 L3 GD VS Boost.GIL

Boost.GIL - Generic Image Library | Requires C++11 since Boost 1.68
CxImage

3.2 0.0 L1 GD VS CxImage

An image processing and conversion library to load, save, display, transform BMP, JPEG, GIF, PNG, TIFF, MNG, ICO, PCX, TGA, WMF, WBMP, JBG, J2K images. [zlib]
FreeImage

2.4 0.0 L2 GD VS FreeImage

A custom distribution of FreeImage, with a CMake-based build system. Used by the Athena Game Framework.
ULIS

1.6 9.6 GD VS ULIS

Utility Library for Imaging Systems
DCMTK

- GD VS DCMTK

DICOM Toolkit.

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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README

GD Graphics (Draw) Library

GD is an open source code library for the dynamic creation of images by programmers.

GD is written in C, and "wrappers" are available for Perl, PHP and other languages. GD can read and write many different image formats. GD is commonly used to generate charts, graphics, thumbnails, and most anything else, on the fly.

The most common applications of GD involve website development, although it can be used with any standalone application!

The library was originally developed by Thomas Boutell and is now maintained by many contributors (see the [CONTRIBUTORS](CONTRIBUTORS) file) under the umbrella of PHP.net.

If you like to contribute, report bugs, see [how to contribute document](CONTRIBUTING.md)

For security related issues, please contact us at [email protected]

Support available in or using issues.

We also have a mailing list. To subscribe to any mailing list, send an email to [email protected]. Then emails can be sent to [email protected].

Downloads/etc...

Please visit our homepage for more details.

Supported Image Formats

GD has support for:

WebP via libwebp
JPEG via IJG/libjpeg or libjpeg-turbo
- Does not include JPEG 2000
PNG via libpng
AVIF via libavif
- This includes AVIF read support if your system's libheif has AV1 decoding.
HEIF via libheif
TIFF via libtiff
BMP (builtin)
GIF (builtin)
TGA (builtin)
WBMP (builtin)
XPM via libXpm

Besides that, GD depends on some external libraries, which are all optional and disabled by default:

FreeType for rendering fonts
Fontconfig for configuring and customizing font access
libraqm for complex text layout
libimagequant for conversion of RGBA images to 8-bit indexed-color images
- NOTE libimagequant is dual-licensed: GPLv3 and commercial license

Platforms supported

CI means whether we have an automatic CI for this platform. If someone has CI for these platforms or any other platforms not listed here and would like to add them to our automatic CI, please get in touch with us, it will much appreciated!

Platform	Support	CI
Linux x64	✓	✓
Linux x86	✓	✓
Linux ARM64	✓	✓
Windows x86	✓	✓
Windows x64	✓	✓
Windows arm64	✓	x
MacOS x64	✓	✓
MacOS M1	✓	x
S390	✓	x

It is also known to work on almost all variations of *BSD, Solaris, etc. We don't have CI nor environment to test them. However many progamming languages binding do test libgd on these platforms.

Compilers

It should compile with all C99 and C++ compliant compilers, either using CMake or the configure script.

We do have CI using:

GCC
CLang
Visual Studio
Xcode
MingW

*Note that all licence references and agreements mentioned in the GD README section above are relevant to that project's source code only.

GD

GD Graphics Library