Crate

flate2

Gzip, zlib, and deflate compression for Rust.

What it is

flate2 provides streaming compression and decompression for gzip, zlib, and deflate formats. It wraps a compression backend (miniz_oxide by default, or system zlib) behind a consistent Read/Write streaming API with configurable compression levels.

Why it is commonly used

Used for compressing HTTP responses, reading .gz archives, handling compressed config files, and any code that must read or write deflate-family compressed data.

1.0k
Repositories
94%
Actively maintained
939
Updated ≤ 30 days
3.8M
Total stars
893
Owners

Counted from the Cargo.toml manifests of the 1.0k indexed repositories that declare flate2 as a dependency — not download counts. Dependency data last verified 2026-08-13.

Browse 1009 repositories using flate2 in Repos →
Often used with

Crates that show up unusually often in flate2 projects. The most distinctive pairings rank first — crates these projects use far more than the average indexed Rust project does, not just crates that are popular everywhere. Each percentage is the share of flate2 projects that also use it.

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