Repository Index

LZ4/LH4HC compression for .NET Standard 1.6/2.0 (formerly known as lz4net)

Compress CSS files.

cmix is a lossless data compression program aimed at optimizing compression ratio at the cost of high CPU/memory usage.

Automated image compression for efficiently distributing images on the web.

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

TokuMX is a high-performance, concurrent, compressing, drop-in replacement engine for MongoDB | Issue tracker: https://tokutek.atlassian.net/browse/MX/ |

Pure TypeScript image processing that runs everywhere

• image
• image-processing
• image-manipulation
• deno

JSON compressor and decompressor

🚧 Under construction — no-training RefMod reference adapters for MiniMax H3 (compress reference images/videos into tiny latents, no training needed).

• comfyui
• comfyui-custom-node
• comfyui-extension
• comfyui-manager

ZSON is a PostgreSQL extension for transparent JSONB compression

• postgresql
• json
• jsonb
• compression

A low-level integer compression library in Java

• java
• compression

Pure golang package for reading and writing xz-compressed files

• go
• compression
• decompression
• xz

Fast In-Memory Data Compression Algorithm (header-only C/C++) 540+MB/s compress, 3000+MB/s decompress, ratio% better than LZ4, Snappy, and Zstd@--1

• data-compression
• lz77
• compression
• compression-algorithm

Fast Static Symbol Table (FSST): efficient random-access string compression

Small & portable byte-aligned LZ77 compression

• compression
• lz77
• lempel-ziv
• c

Lossless compression C library built for ultra-fast decode. Faster than LZ4 (+35% to 105%+; best on ARM64), at a better ratio. Official Rust, Python, Node.js, Go and WASM bindings. Write-once/read-many, with optional seekable archives for O(1) random access.

• arm64
• c
• compression
• lz4

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

Accelerate your Neural Architecture Search (NAS) through fast, reproducible and modular research.

• python
• pytorch
• machine-learning
• deep-learning

Cut AI context cost without trusting the compressor. Every reduction is reversible, byte-exact recoverable, and carries an auditable receipt. Local-first, works through proxy, MCP, SDK, or agent wrapper.

• ai-agents
• claude-code
• mcp
• token-optimization

Gzip Decompression and Random Access for Modern Multi-Core Machines

• cli
• cpp
• cpp17
• cpp17-library

Cross-platform library to create & extract archives, compress & decompress files, and walk virtual file systems across various formats

• 7zip
• archives
• brotli
• bzip2

Quick serialization of R objects

• r
• compression
• serialization
• data-storage

TranslatedOne zero-dependency MCP gateway CLI for every server and agent skill. Token optimization, tool discovery and context compression: 71,929 -> 581 tokens (-99.2%, measured), schemas stay out of context. One config for Claude Code, Codex, Cursor, every agent. 561KB, pure Python. | Zero-dependency CLI: manages all MCP tools and skills, and tool discovery saves 99.2% of tokens.

• mcp
• claude
• claude-code
• cursor

Fast integer compression in C using the StreamVByte codec

• integer-compression
• compression
• simd
• neon

HDR Toolbox for processing High Dynamic Range (HDR) images into MATLAB and Octave

• hdr
• tone-mapping
• inverse-tonemapping
• tonemapping