zstd VS zlib

Compare zstd vs zlib and see what are their differences.

zstd

Zstandard - Fast real-time compression algorithm (by facebook)

zlib

Cloudflare fork of zlib with massive performance improvements (by cloudflare)
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zstd zlib
105 3
22,356 636
2.2% 0.3%
9.7 6.6
7 days ago 12 days ago
C C
GNU General Public License v3.0 or later GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

zstd

Posts with mentions or reviews of zstd. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-04-01.

zlib

Posts with mentions or reviews of zlib. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-09-14.

What are some alternatives?

When comparing zstd and zlib you can also consider the following projects:

LZ4 - Extremely Fast Compression algorithm

libdeflate - Heavily optimized library for DEFLATE/zlib/gzip compression and decompression

Snappy - A fast compressor/decompressor

zlib-ng - zlib replacement with optimizations for "next generation" systems.

LZMA - (Unofficial) Git mirror of LZMA SDK releases

ZLib - A massively spiffy yet delicately unobtrusive compression library.

7-Zip-zstd - 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard

zlib

aws-graviton-getting-started - Helping developers to use AWS Graviton2 and Graviton3 processors which power the 6th and 7th generation of Amazon EC2 instances (C6g[d], M6g[d], R6g[d], T4g, X2gd, C6gn, I4g, Im4gn, Is4gen, G5g, C7g[d][n], M7g[d], R7g[d]).

brotli - Brotli compression format

haproxy - HAProxy Load Balancer's development branch (mirror of git.haproxy.org)