ebiggers/libdeflate
Heavily optimized library for DEFLATE/zlib/gzip compression and decompression observed · 2026-10-13
Health v2 · maintenance only
85/100
- Activity 91
- Release rhythm 68
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.
- gap_med: 173
- age_days: 4314
- days_rel: 59
- days_push: 59
- n_releases_24m: 4
Adoption not part of the score
1300 stars · 221 forks observed · 2026-10-13
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
libdeflate is a heavily optimized C library for whole-buffer DEFLATE, zlib, and gzip compression and decompression, significantly faster than zlib with optional higher-compression modes. It also ships convenience CLI programs including a drop-in gzip replacement and benchmark tools.
Use cases
- compress and decompress gzip files faster than zlib
- replace zlib in an application for faster DEFLATE compression
- achieve better compression ratios than zlib level 9
- embed a lightweight DEFLATE codec in a C/C++ project
- benchmark compression and decompression speed
- checksum data with CRC-32 or Adler-32
When to choose
- you need maximum DEFLATE/gzip compression or decompression speed
- you want higher compression ratios than zlib's level 9
- you need a small, easily embeddable C compression library
- you work on x86 or ARM where its SIMD optimizations shine
When to avoid
- you need streaming compression of data that doesn't fit in memory
- you need full GNU gzip feature compatibility from the CLI
- you need formats beyond DEFLATE/zlib/gzip such as zstd or bzip2
- you rely on zlib's exact API and ecosystem compatibility
Facets
library · maturity stable
compression developer-tools developer-tools files performance windows cross-platform cli cpp deflate gzip zlib c-library simd-optimized linux macos
1 source
- readme: https://github.com/ebiggers/libdeflate · fetched 2026-10-13 · 73523cd7afc9
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| ebiggers/libdeflate | main | 85 |
For agents
markdown · JSON · MCP: product_card(name="ebiggers/libdeflate")
Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem