Showing 14 open source projects for "lossless"

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    Gulp Imagemin

    Gulp Imagemin

    Minify PNG, JPEG, GIF and SVG images

    A Gulp plugin that optimizes images by reducing file sizes without losing quality, improving web performance and reducing bandwidth usage.
    Downloads: 0 This Week
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  • 2

    littleutils

    Various small and useful command-line utilities

    The littleutils include duplicate file finders (repeats, repeats.pl, repeats.py), image optimizers (opt-jpg, opt-png, opt-gif, recomp-jpg), file rename tools (lowercase, uppercase, pren), archive recompressors (to-gzip, to-bzip2, to-bzip3, to-7zip, to-lzma, to-lzip, to-xz), a tempfile utility (tempname), file property tools (filedate, filemode, filenode, fileown, filesize, and lrealpath), and others. See the README file for more details.
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    Downloads: 463 This Week
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  • 3

    mapivi

    Picture manager with focus on meta information (XMP, IPTC, EXIF)

    Open-source and cross-platform picture manager and organizer with complete meta information support: add, edit, search and remove XMP, IPTC, EXIF and JPEG Comment. It also offers batch conversion/renaming of images and lossless rotation and cropping.
    Downloads: 10 This Week
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  • 4
    TextureAtlas Toolbox

    TextureAtlas Toolbox

    A powerful, free and open-source tool for TextureAtlases/Spritesheets

    TextureAtlas Toolbox is an all-in-one solution for working with texture atlases and sprite sheets. Extract sprites into organized frame collections and GIF/WebP/APNG animations, generate optimized atlases from individual frames, or convert between 15+ atlas formats. Perfect for game developers, modders, and anyone creating showcases of game sprites. Formerly known as TextureAtlas to GIFs and Frames Licensed under AGPL-3.0 Third-party licenses: See...
    Downloads: 20 This Week
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  • 5
    Crunch PNG

    Crunch PNG

    Insane(ly slow but wicked good) PNG image optimization

    ...It combines selective bit depth, color type, and color palette reduction with zopfli DEFLATE compression algorithm encoding using the pngquant and zopflipng PNG optimization tools. This approach leads to a significant file size gain relative to lossless approaches at the expense of a relatively modest decrease in image quality. Continuous benchmark testing is available in our GitHub Actions CI. Please see the benchmarks directory of this repository for details about the benchmarking approach and instructions on how to execute benchmarks locally on the reference images distributed in this repository or with your own image files.
    Downloads: 0 This Week
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  • 6
    Crunch

    Crunch

    Insane(ly slow but wicked good) PNG image optimization

    ...Using a combination of selective bit depth, color palette reduction and color type, as well as zopfli DEFLATE compression algorithm encoding that employs the pngquant and zopflipng PNG optimization tools, Crunch is effectively able to optimize and compress images with minimal decrease in image quality. While it may produce file size gains larger than those produced by lossless approaches, the impact on image quality is often imperceptible, and optimized file sizes are still significantly lower than the original.
    Downloads: 1 This Week
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  • 7
    Img Optimizer Gradle Plugin

    Img Optimizer Gradle Plugin

    Gradle plugin for optimizing PNGs

    Img Optimizer Gradle Plugin is a build-time utility for Android projects that automatically compresses PNG images to reduce APK size. It supports both lossless compression (no quality loss) and near-lossless or more aggressive compression modes, depending on configuration. The plugin runs during the Gradle build cycle, scanning image assets and applying optimizations transparently, which helps minimize the app’s binary footprint without manual image editing. Because it is integrated into the build, it can process only changed images and skip redundant work, improving performance. ...
    Downloads: 0 This Week
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  • 8
    libPGF

    libPGF

    libPGF is an implementation of the Progressive Graphics File (PGF)

    The Progressive Graphics File (PGF) is an efficient image file format, that is based on a fast, discrete wavelet transform with progressive coding features. PGF can be used for lossless and lossy compression. It's most suitable for natural images. PGF can be used as a very efficient and fast replacement of JPEG 2000.
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    Downloads: 20 This Week
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  • 9
    The jbig2dec project is no longer hosted here. Please see: https://www.ghostscript.com JBIG2 is a compression format for lossless and lossy encoding of scanned monochrome documents at moderately high resolution. It is very efficient in that domain, claiming 100:1 compression. jbig2dec is a decoder-only implementation of the format.
    Downloads: 0 This Week
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  • 10
    jdatestamp is a command line utility to losslessly imprint date/time of a picture taken in a digital camera into its JPEG image. Uses the EXIF header information to get the date/time, jpegtran with droppatch for lossless crop drop of date/time area
    Downloads: 2 This Week
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  • 11
    A fast JPEG2000 encoder running on CUDA-capable GPUs. Supports lossless and lossy encoding. Both commandline tool with GUI and CUDA/C++ library. Visit >> http://cuj2k.sourceforge.net << for further information.
    Downloads: 1 This Week
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  • 12
    Converts bitmap file to c/c++ files (usefull for embedded systems with GUI). The color encoding is fully configurable (for example 16bit 5/6/5) and a "preview" bmp file is generated to show how much the picture is altered by the information reduction
    Downloads: 6 This Week
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  • 13
    Img2Eps converter

    Img2Eps converter

    Converts raster images into EPS (Encapsulated Post Script)

    Img2Eps is image converter written in Java which converts raster images into EPS (Encapsulated Post Script). It supports simple lossless compression, so the generated EPS images are quite small. Generates PostScript Language Level 2.
    Downloads: 0 This Week
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  • 14
    32-bit animated lossless image compression. Animations typically achieve better compression than gif. Regular images typically achieve average compression than png and tiff. IIF is written in 100% pure java
    Downloads: 0 This Week
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