Small strings compression library
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:camera_flash: Fast batch image resizer and rotator
- image-processing
- image-compression
- image-manipulation
- image-optimization
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
🏅State-of-the-art learned data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes
A C++ static library offering a clean and simple interface to the 7-zip shared libraries.
- compression
- extraction
- 7z
- zip
lightweight lossless file minifier/optimizer
- recompress
- lossless
- minifier
- optimizer
Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf
- signature
- pdf-sign
- pdf-signature
Synopse mORMot 1 ORM/SOA/MVC framework - Please upgrade to mORMot 2 !
- delphinuspackage
- pascal
- fpc
- delphi
LZ4/LH4HC compression for .NET Standard 1.6/2.0 (formerly known as lz4net)
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
Pure TypeScript image processing that runs everywhere
- image
- image-processing
- image-manipulation
- deno
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
Accelerate your Neural Architecture Search (NAS) through fast, reproducible and modular research.
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
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.
Gzip Decompression and Random Access for Modern Multi-Core Machines
- cli
- cpp
- cpp17
- cpp17-library