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TranslatedLuban 2(鲁班 2) —— An efficient and concise Android image compression library that closely replicates the compression strategy of WeChat Moments.

The “Quite OK Image Format” for fast, lossless image compression

🖼️ Image optimization app for macOS, Windows and Linux.

  • image-compression
  • save-for-web
  • jpegmini
  • pngquant

JPEG XL image format reference implementation

  • image-compression
  • encoder
  • decoder
  • codec

Super fast C++ .PNG writer/reader

  • png
  • image-compression
  • image-compressor
  • data-compression

Image optimization / compression library. This library is able to optimize png, jpg and gif files in very easy and handy way. It uses optipng, pngquant, pngcrush, pngout, gifsicle, jpegoptim and jpegtran tools.

  • image-optimization
  • php
  • jpegoptim
  • pngquant

lightweight lossless file minifier/optimizer

  • recompress
  • lossless
  • minifier
  • optimizer

Automated image compression for efficiently distributing images on the web.

  • image
  • image-optimization
  • image-compression
  • compression

Smaller images, same picture. Compress PNGs to PNG or WebP with automatic quality. PNG output is 8–12% smaller than TinyPNG at equal quality on the median image. Command line and browser.

  • cli
  • color-quantization
  • image-compression
  • png

Imgcompress is a self-hosted image processing toolbox that handles compression, format conversion, and AI background removal in a single web interface. It supports over 70 input formats (including PSD, HEIC, and RAW) and can output common formats or generate PDFs, all without sending files to external services.