Alternatives and competitors

Sites like GZIP

The 20 closest data compression software alternatives to GZIP, ranked by what they actually offer, and the 1 technologies behind it.

Looking for an alternative to GZIP? The closest matches are zlib, 7-Zip and libpng.org. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours
k = 20
Sites searched
4,032
Vector
384-d
Query
16 ms

01 · Entity

About GZIP

GZIP gzip.org

The gzip home page

Wikidata: file format

Top 10K · #4,817 English 1 technologies Crawled Nov 6, 2026
Visit GZIP

Summary by Claude

Informational home page for the gzip lossless compression utility and file format, with history and links to GNU gzip source code, documentation, pigz, zlib, and the RFC 1951/1952 specifications.

Who it’s for
Developers and Unix/Linux users
Business model
None (free software project)

02 · Embedding space

Competitor map

Each alternative by how close its vector is to GZIP’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

NLnet LabsiLovePDFRFC EditorLinux kernelFlaticonGNUijg.orglibpng.org7-Zipzlib

03 · Nearest neighbours

Alternatives to GZIP

Thumbs up if it’s a real alternative to GZIP, thumbs down if it isn’t.

Only in English
  1. 01
    zlib zlib.net Top 10K

    zlib Home Site

    lossless compression library

  2. 02
    7-Zip 7-zip.org Top 10K

    7-Zip

    open-source file archiver and extractor

  3. 03
    libpng.org Top 10K

    libpng.org: top level

  4. 04
    ijg.org Top 10K

    Independent JPEG Group

    C programming language library for JPEG images, from IJG

  5. 05
    GNU gnu.org Top 1K English

    The GNU Operating System and the Free Software Movement

    Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

  6. 06
    Flaticon flaticon.com Top 10K English

    That request didn't go through. Our security filter flagged something. You don't have permission to access this page.

    database of icons

  7. 07
    Linux kernel kernel.org Top 10K English

    The Linux Kernel Archives

    Unix-like operating system kernel, basis for all Linux operating systems

  8. 08
    doxygen.org Top 10K English

    Doxygen homepage

    Source code documentation and analysis tool

  9. 09
    RFC Editor rfc-editor.org Top 1K English

    RFC Editor

    The official home of RFCs. RFCs outline computer networking and Internet foundations, including Internet Standards and historical or informative content.

  10. 10
    filezilla-project.org Top 10K English

    FileZilla - The free FTP solution

    FileZilla - The free FTP solution for both client and server. Filezilla is open source software distributed free of charge.

  11. 11
    Lothar lothar.com Top 10K

    Lothar of the Webspace

  12. 12
    PCRE pcre.org Top 10K English

    PCRE - Perl Compatible Regular Expressions

    The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native API as well as a set of wrapper functions that correspond to the POSIX regular expression API.

  13. 13
    ImageMagick imagemagick.org Top 10K English

    ImageMagick | Mastering Digital Image Alchemy

    ImageMagick is a powerful open-source software suite for creating, editing, converting, and manipulating images in over 200 formats.

  14. 14
    bioRxiv biorxiv.org Top 10K English

    bioRxiv.org - the preprint server for Biology

    bioRxiv - the preprint server for biology, operated by openRxiv, a nonprofit organization dedicated to advancing scientific communication

  15. 15
    iLovePDF ilovepdf.com Top 10K English

    iLovePDF | Online PDF tools for PDF lovers

    iLovePDF is an online service to work with PDF files completely free and easy to use. Merge PDF, split PDF, compress PDF, office to PDF, PDF to JPG and more!

  16. 16
    Arch Linux archlinux.org Top 10K English

    Arch Linux

    Linux distribution

  17. 17
    PCMag pcmag.com Top 10K English

    English-language computer magazine

  18. 18
    Smallpdf smallpdf.com Top 10K English

    Smallpdf - A Free Solution to all your PDF Problems

    Smallpdf - the platform that makes it super easy to convert and edit all your PDF files. Solving all your PDF problems in one place - and yes, free.

  19. 19
    NLnet Labs nlnetlabs.nl Top 10K English

    NLnet Labs - Home

    Research & Development, Internet architecture, DNS, Routing, Stability and Security.

  20. 20
    Giphy giphy.com Top 10K English

    GIPHY - Be Animated

    GIPHY is the platform that animates your world. Find the GIFs, Clips, and Stickers that make your conversations more positive, more expressive, and more you.

Ranked by score: the cosine similarity of each site’s vector to gzip.org’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones GZIP uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What GZIP is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

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