Browse free open source C Image Converters and projects below. Use the toggles on the left to filter open source C Image Converters by OS, license, language, programming language, and project status.

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  • 1
    LIBPNG: PNG reference library
    Reference library for supporting the Portable Network Graphics (PNG) format.
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    Downloads: 77,644 This Week
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  • 2

    GraphicsMagick

    Swiss army knife of image processing

    GraphicsMagick provides a set of commandline tools and programming APIs for manipulating, editing, and converting raster and vector images. It is derived from ImageMagick, with the objective of providing better stability and performance than ImageMagick while retaining the original MIT/X11 license.
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    Downloads: 3,262 This Week
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  • 3
    The Animated Portable Network Graphics (APNG) is an unofficial extension of the Portable Network Graphics (PNG) format. APNG patch provides APNG support to libpng. APNG support was merged! https://github.com/pnggroup/libpng/pull/706
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    Downloads: 2,842 This Week
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  • 4
    FreeImage is a library project for developers who would like to support popular graphics image formats (PNG, JPEG, TIFF, BMP and others). Some highlights are: extremely simple in use, not limited to the local PC (unique FreeImageIO) and Plugin driven!
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    Downloads: 1,889 This Week
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  • Photo and Video Editing APIs and SDKs Icon
    Photo and Video Editing APIs and SDKs

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  • 5

    Developer's Image Library

    A full featured cross-platform image library

    Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease.
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    Downloads: 446 This Week
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  • 6
    UFRaw
    The UFRaw (Unidentified Flying Raw) is a tool for reading and manipulating raw images from digital cameras. It supports most of the existing raw formats (any format supported by DCRaw). UFRaw can be used on its own or as a Gimp plug-in.
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    Downloads: 245 This Week
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  • 7
    A whole bunch of utilities for primitive manipulation of graphic images. Wide array of converters from one graphics format to another. E.g. from g3 fax format to jpeg. Many basic graphics editing tools such as magnifying and cropping.
    Downloads: 91 This Week
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  • 8
    ImageMagick

    ImageMagick

    Display, convert, and edit raster image and vector image files

    ImageMagick® is a free and open-source software suite for displaying, converting, and editing raster image and vector image files. It can read and write over 200 image file formats, and can support a wide range of image manipulation operations, such as resizing, cropping, and color correction. ImageMagick is written in C and is available for a wide range of operating systems, including Linux, macOS, and Windows. It can be used as a standalone application, or as a library that can be integrated into other software programs. Overall, ImageMagick is a powerful and versatile software suite for displaying, converting, and editing image files. Its support for scripting and automation, along with its other features, make it a valuable tool for a wide range of image-related tasks.
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    Downloads: 136 This Week
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  • 9
    Virtual Lighttable and Darkroom
    Darktable is a virtual lighttable and darkroom for photographers: it manages your digital negatives in a database and lets you view them through a zoomable light table. It also enables you to develop raw images and enhance them.
    Downloads: 10 This Week
    Last Update:
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  • 10
    ImageStone

    ImageStone

    A powerful C++ class library for image manipulation

    ImageStone is a powerful C++ class library for image manipulation. Its features include load, save, display, transformation, and nearly 100 special image effects. It can be used cross platform (includes Windows, Linux, Mac), and especially under windows it can be used as a DIB wrapper class.
    Downloads: 2 This Week
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  • 11

    Netpbm2Gimp

    Convert Netpbm programs to GIMP plug-ins

    Netpbm2Gimp automatically compiles the unmodified source code of a Netpbm graphics program into a GIMP plug-in. The result looks and functions like any other GIMP plug-in although it takes much less effort to produce than a hand-coded GIMP plug-in.
    Downloads: 1 This Week
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  • 12
    Libpsd is the Photoshop file format decode library in C language with full source code. It mainly decodes and blends *.psd files. It supports for Adobe Photoshop CS version, and is compatible with the previous versions of Photoshop.
    Downloads: 1 This Week
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  • 13
    CNC-Suite is an Free & Open Enviroment for 2D and 3D CNC-Machines
    Downloads: 0 This Week
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  • 14
    Mollino

    Mollino

    Not your usual Architectural Modeler

    Why do Archicad and Revit only share 30 or 40% of the global architectural sofware market ? Maybe because lots of small practices find these software unadapted to the way they work, and to their bank account. I think there's place for an open software that doesn't work like the existing. It will be simple in its tools and processes, and will have infinite capabilities. This will be possible by defining a logical structure. As I am an architect, and I know very little about programming, and wouldn't reach even in 10 years the necessary level to be able to write anything useful for this type of software, my part will be to bring ideas and coherence to this project. If you want to know some more : - go to the blog https://sourceforge.net/p/mollino/blog/ - write me a message ;) I speak french, german, english and italian. Martin Lucas
    Downloads: 0 This Week
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  • 15
    Octree-based texture mapping for 3D models as described in the SIGGRAPH 2002 paper "Painting and Rendering On Unparameterized Models" from Thrown Clear Productions (www.thrownclear.com).
    Downloads: 0 This Week
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  • 16
    The aim of this project is to export the xfigure library (.xfig) to provide free stencils/shapes for kivio (.sml) and OpenOffice.org/StarOffice (.sxd,.wmf). The images (over 900) can be used in the OpenOffice.org`s Gallery.
    Downloads: 0 This Week
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  • 17
    iMage is project aimed to create perfect tools for extraction/insertion of graphics from/to any resource file.
    Downloads: 0 This Week
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  • 18

    image_meta_tools

    Convert jpeg(exif/jfif)/mpo/jps image to/from xml

    This is a set of command line tools that are useful for editing image metadata. Currently it contains the following tools: * image2xml * xml2image * mpo2jps Currently supported file formats are: * jpeg (jfif or exif) * mpo * jps. These tools are mostly useful for editing metadata. image2xml can also generate a .h header file with the offsets of different metadata in the binary file. This could be used in small devices that generate jpeg/mpo/jps images where metadata construction from scratch is not required.
    Downloads: 0 This Week
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  • 19
    small collection of UNIX command line image processing utilities
    Downloads: 0 This Week
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  • 20
    Drawing editors for PostScript, TeX, and web graphics. An embeddable and extendable vector graphic shell.
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    Downloads: 0 This Week
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  • 21
    This is a new version of the PNGQuant software to quantize a 32 bits PNG downto 8 bits with transparency. Resulting images can display correctly in all modern browser including IE5.0 and later without ugly javascript or flash hack.
    Downloads: 0 This Week
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  • 22
    A multiplatform picture composer (average, brightest, darkest, weighted etc. as you know that from image editors)
    Downloads: 0 This Week
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  • 23
    2d/3d map viewer clients and vehicle simulation server.
    Downloads: 0 This Week
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