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Luban 2(鲁班 2) —— 高效简洁的 Android 图片压缩工具库,像素级还原微信朋友圈压缩策略。(An efficient and concise Android image compression library that closely replicates the compression strategy of WeChat Moments.)

Draco is a library for compressing and decompressing 3D geometric meshes and point clouds. It is intended to improve the storage and transmission of 3D graphics.

🖼️ 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.