Zrip is the fastest, pure Rust, memory-safe Zstandard codec. Levels -7..4, first-class dict support and dict training.

v0.5.0 highlights:

paranoid feature: Default features are Miri-clean already, but this is for the paranoid ones among us. Compiles pure safe Rust with zero unsafe. #![forbid(unsafe_code)] enforced on all four crate roots. Still reasonably fast (see chart below).

WebAssembly: published as @paddor/zrip on JSR. Auto-detects WASM SIMD128 support. On the Silesia corpus (L1), 15% faster encode and 14% faster decode than C zstd compiled to WASM via Emscripten.

crates.io | repo | SAFETY.md

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