Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.

Optimized Go Compression Packages

SwinIR: Image Restoration Using Swin Transformer (official repository)

Easily create & extract archives, and compress & decompress files of various formats

Universal Extractor 2 is a tool to extract files from any type of archive or installer.

High performance (de)compression in an 8kB package

Painless compression and decompression in the terminal

Tool suite for Texture and 3D Model Compression, Optimization and Analysis using CPUs, GPUs and APUs

LZ4 compression for Java

Brotli compressor and decompressor written in rust that optionally avoids the stdlib

🔒 Secure localStorage data with high level of encryption and data compression

Fast lossless data compression in Go

Pure golang package for reading and writing xz-compressed files

7zip in python3 with ZStandard, PPMd, LZMA2, LZMA1, Delta, BCJ, BZip2, and Deflate compressions, and AES encryption.

Gzip Decompression and Random Access for Modern Multi-Core Machines

The Minimal LZMA (minlzma) project aims to provide a minimalistic, cross-platform, highly commented, standards-compliant C library (minlzlib) for decompressing LZMA2-encapsulated compressed data in LZMA format within an XZ container, as can be generated with Python 3.6, 7-zip, and xzutils

⚡An Easy-to-Use and Optimized compression library for .NET that unified several compression algorithms including LZ4, Snappy, Zstd, LZMA, Brotli, GZip, ZLib, and Deflate. This library aids in Improving Performance by Reducing Memory Usage and Bandwidth Usage. Along with a greate Performance Benchmark between different compression algorithms.

A collection of useful utility functions

Archive library for browsers

zstd-decoder in pure rust