npm96Exceptionalhealth index
JavaScript★ 228↓ 3.6M/moAug 27, 2026
crates.io92Excellenthealth index
Rust★ 1,124↓ 51.3M/moSep 16, 2026
PyPI91Excellenthealth index

miurahr/py7zr7zip in python3 with ZStandard, PPMd, LZMA2, LZMA1, Delta, BCJ, BZip2, and Deflate compressions, and AES encryption.
Python★ 558↓ 8.4M/moSep 12, 2026
npm87Excellenthealth index
JavaScript★ 2,806↓ 155M/moSep 16, 2026
Go87Excellenthealth index
Go · Assembly★ 5,616Aug 28, 2026
npm86Excellenthealth index

nodeca/pakohigh speed zlib port to javascript, works in browser & node.js
JavaScript · TypeScript★ 6,116↓ 420M/moSep 16, 2026
crates.io81Excellenthealth index

KarpelesLab/compcolPure-Rust, no_std collection of 30+ compression/decompression codecs (deflate, gzip, zlib, zstd, brotli, lzma/xz, lz4, bzip2, RAR, StuffIt, LHA, ARC, and more) behind one uniform streaming trait — each gated by its own Cargo feature. 100% safe (forbid(unsafe_code)), zero runtime deps.
Rust★ 10↓ 7,358/moSep 5, 2026
Go81Excellenthealth index
Go★ 250Sep 14, 2026
npm80Excellenthealth index
Stuk/jszipCreate, read and edit .zip files with Javascript
JavaScript★ 10.4K↓ 153M/moSep 17, 2026
crates.io75Goodhealth index
C · Rust★ 256↓ 59.1M/moSep 16, 2026
crates.io75Goodhealth index
Rust★ 5↓ 4.5M/moSep 18, 2026
crates.io · npm · PyPI73Goodhealth index

milesgranger/cramjamYour go-to for easy access to a plethora of compression algorithms, all neatly bundled in one simple installation.
Rust · Python★ 126↓ 14/moAug 27, 2026
crates.io71Goodhealth index
Rust★ 2↓ 5,582/moSep 9, 2026
crates.io71Goodhealth index

sile/noflateA `no_std` sans-io DEFLATE / ZLIB / GZIP encoder and decoder with no dependencies
Rust★ 8↓ 5,330/moSep 15, 2026
TypeScript★ 92↓ 198.4K/moSep 15, 2026
crates.io67Goodhealth index

sile/libflateA Rust implementation of DEFLATE algorithm and related formats (ZLIB, GZIP)
Rust★ 202↓ 4.6M/moAug 27, 2026
TypeScript · Makefile★ 1↓ 5,418/moOct 11, 2026

ktsu-dev/EssentialsA comprehensive .NET library providing high-performance interfaces and ready-to-use implementations for common cross-cutting concerns including compression (Gzip, Brotli, Deflate, ZLib), encoding (Base64, Hex), obfuscation (XOR, Caesar, bit-rotation, byte-reversal, Base64, Hex, and composable chains), encryption (AES), hashing (15 algorithms...
C#★ 0Sep 18, 2026
crates.io63Moderatehealth index

SOF3/include-flateA variant of include_bytes!/include_str! with compile-time deflation and runtime lazy inflation. (WARNING: the final compressed size may be larger with double compression!)
Rust★ 152↓ 1.4M/moOct 20, 2026
RubyGems63Moderatehealth index

bodrovis/faraday-gzipThe Gzip middleware for Faraday 1 and 2 adds appropriate Accept-Encoding headers and automatically decompresses supported, non-streaming response bodies.
Ruby★ 22Sep 11, 2026
PyPI62Moderatehealth index

pycompression/python-isalFaster zlib and gzip compatible compression and decompression by providing python bindings for the isa-l library.
Python · C★ 60↓ 2M/moSep 12, 2026
crates.io57Moderatehealth index
Rust★ 45↓ 678.1K/moAug 27, 2026
npm57Moderatehealth index

tomas/needleNimble, streamable HTTP client for Node.js. With proxy, iconv, cookie, deflate & multipart support.
JavaScript · HTML★ 1,636↓ 53M/moSep 17, 2026
NuGet56Moderatehealth index
C#★ 12Aug 24, 2026
npm56Moderatehealth index

joaquimserafim/openjsxlFast, zero-dependency, TypeScript-first Excel (.xlsx) reader for Node, Deno, Bun, and the browser.
TypeScript★ 1↓ 3,907/moSep 13, 2026
PyPI56Moderatehealth index
Python · C★ 15↓ 932.7K/moSep 12, 2026
npm54Moderatehealth index
JavaScript★ 74↓ 196M/moSep 16, 2026
NuGet51Moderatehealth index
C#★ 6Oct 15, 2026
npm · crates.io50Moderatehealth index

GMOD/inflate-jsFast DEFLATE decompression via wasm libdeflate, inlined as a single bundle
Shell · TypeScript · Rust★ 0↓ 4,806/moSep 18, 2026
OCaml · C★ 119Sep 15, 2026