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CK
CompressKitLossless Compression Library
CompressKit provides classic lossless compression algorithms with cross-language compatibility. Encode in C++, decode in Go. Encode in Rust, decode in C++. All implementations produce identical binary output.
C++17GoRust
Algorithms
Huffman Coding
Optimal prefix codes based on symbol frequency. The classic approach to lossless compression.
Learn MoreFast Speed
Arithmetic Coding
Entire message encoded as a single number. Achieves entropy limit for maximum compression.
Learn MoreHigh Compression
Range Coder
Integer-based arithmetic coding. Production-ready balance of speed and compression.
Learn MoreFast + High
Run-Length Encoding
Simple and fast compression for repetitive data. Often used as preprocessing.
Learn MoreVery Fast
🔄 Cross-Language
Encode in one language, decode in another. All implementations produce identical binary output.
📊 Benchmarks
Performance benchmarks across all algorithms and languages. Compare speed and compression.
Quick Start