LZ4 VS brotli

Compare LZ4 vs brotli and see what are their differences.


Extremely Fast Compression algorithm (by lz4)


Brotli compression format (by google)
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LZ4 brotli
21 27
9,381 13,259
1.6% 0.9%
9.4 7.8
3 days ago 20 days ago
C TypeScript
GNU General Public License v3.0 or later MIT License
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.


Posts with mentions or reviews of LZ4. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-03-21.
  • Number sizes for LZ77 compression
    1 project | /r/compression | 30 Apr 2023
    LZ4 is a bit more complicated, but seems faster: https://github.com/lz4/lz4/blob/dev/doc/lz4_Block_format.md
  • Rsyncing 20TB locally
    2 projects | /r/zfs | 21 Mar 2023
    According to these https://github.com/lz4/lz4 values you need around ten (10) quite modern cores in parallel to accomplish around 8GB/s.
  • An Intro to Data Compression
    1 project | dev.to | 17 Feb 2023
    The popular NoSQL database Cassandra utilizes a compression algorithm called LZ4 to reduce the footprint of data at rest. LZ4 is characterized by very fast compression speed at the cost of a higher compression ratio. This is a design choice that allows Cassandra to maintain high write throughput while also benefiting from compression in some capacity.
  • Micron Unveils 24GB and 48GB DDR5 Memory Modules | AMD EXPO and Intel XMP 3.0 compatible
    1 project | /r/gadgets | 21 Jan 2023
    Yeah, sure, when you have monster core counts. on regular systems, not so much, here's from their own github page. it achieves, eh, 5GB/s on memory to memory transfers, i.e. best case scenario. so, uh, no? i'm not even sure it's any better than the CPU decompressor one Nvidia used.
  • Cerbios Xbox Bios V2.2.0 BETA Released (1.0 - 1.6)
    2 projects | /r/originalxbox | 31 Dec 2022
  • zstd
    8 projects | news.ycombinator.com | 19 Dec 2022
    > The downside of lz4 is that it can’t be configured to run at higher & slower compression ratios.

    lz4 has some level of configurability? https://github.com/lz4/lz4/blob/v1.9.4/lib/lz4frame.h#L194

    There's also LZ4_HC.

  • Best archival/compression format for whole hard drives
    1 project | /r/DataHoarder | 7 Dec 2022
    Since nobody mentioned it, I'll add lz4 (https://github.com/lz4/lz4).
  • I'm new to this
    2 projects | /r/androidroot | 28 Nov 2022
    Get your bootloader unlocked via Download mode and then obtain your stock firmware, preferably for your current region https://samfw.com (Download mode: CARRIER_CODE). Get the boot image from AP with 7zip, unpack from LZ4 with https://github.com/lz4/lz4/releases (drag and drop), patch with Magisk https://github.com/topjohnwu/magisk/releases/latest, grab the new image, name it "boot.img" and pack it into a .tar with 7zip and flash to AP with odin https://odindownload.com
  • An efficient image format for SDL
    4 projects | /r/gamedev | 28 Sep 2022
    After some investigations and experiments, I found out that it was the PNG compression (well, decompression I should say) that took a while. So I've made some experiments using the LZ4 compression library, which is focused on decompression speed, and it turned out to be an excellent solution!
  • how to root Samsung galaxy note 10 plus 5g(SM-N976B
    1 project | /r/androidroot | 21 Jul 2022
    Root with magisk: whether you use OneUI ≤3 or 4, patch the specific image needed for it (pre 4: boot, after 4: recovery) and flash it to the device. Boot it and enjoy root. https://github.com/lz4/lz4/releases can help extracting it from the AP tarball.


Posts with mentions or reviews of brotli. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-05-25.
  • LZW and GIF explained
    4 projects | news.ycombinator.com | 25 May 2024
    ...though with the slightly unexpected side effect (for Brotli, at least) that your executable may end up containing (~200KB, from memory) of very unexpected plain text strings which might (& has[0]) lead to questions from software end-users asking why your software contains "random"[1] text (including potentially "culturally sensitive" words/phrases related to religion such as "Holy Roman Emperor", "Muslims", "dollars", "emacs"[2] or similar).

    (I encountered this aspect while investigating potential size optimization opportunities for the Godot game engine's web/WASM builds--though presumably the Brotli dictionary compresses well if the transfer encoding is... Brotli. :D )

    [0] "This needs to be reviewed immediately #876": https://github.com/google/brotli/issues/876

    [1] Which, regardless of meaning, certainly bears similarities to the type of "unexpected weird text" commonly/normally associated with spam, malware, LLMs and other entities of ill repute.

    [2] The final example may not actually be factual. :)

  • Node.js vs Angular: Navigating the Modern Web Development Landscape
    1 project | dev.to | 22 Apr 2024
    Using tools like Brotli, you can boost your application’s load time. You can use the ngUpgrade library to mix AngularJS and Angular components to enhance runtime performance, bringing in hybrid applications that can be used with techniques like ahead-of-time (AOT) compilation, aiding in faster browser rendering.
  • Jpegli: A New JPEG Coding Library
    9 projects | news.ycombinator.com | 3 Apr 2024
    JPEGLI = A small JPEG

    The suffix -li is used in Swiss German dialects. It forms a diminutive of the root word, by adding -li to the end of the root word to convey the smallness of the object and to convey a sense of intimacy or endearment.

    This obviously comes out of Google Zürich.

    Other notable Google projects using Swiss German:

    https://github.com/google/gipfeli high-speed compression

    Gipfeli = Croissant

    https://github.com/google/guetzli perceptual JPEG encoder

    Guetzli = Cookie

    https://github.com/weggli-rs/weggli semantic search tool

    Weggli = Bread roll

    https://github.com/google/brotli lossless compression

    Brötli = Small bread

  • Compression efficiency with shared dictionaries in Chrome
    3 projects | news.ycombinator.com | 6 Mar 2024
    The brotli repo on github has a dictionary generator: https://github.com/google/brotli/blob/master/research/dictio...

    I have a hosted version of it on https://use-as-dictionary.com/ to make it easier to experiment with.

  • The Full-Stack development experience
    2 projects | dev.to | 12 Oct 2023
    An additional element that we can finally remove from our stack is the minification of JavaScript and CSS files. Thanks to algorithms like brotli (with a very Swiss flavour) we no longer need to minify and compress our files before distributing them. Cloudflare, Nginx, or Apache will take care of everything for us.
  • Brotli vs. GZIP vs. Zopfli: Comparing JavaScript Compression Techniques.
    1 project | dev.to | 5 Oct 2023
    As you navigate the intricate world of JavaScript compression and web development, having a trusted partner by your side can make all the difference. That's where Coding Crafts comes in. At Coding Crafts, we take pride in being a top-tier software development company in USA. Our team of experts specializes in web development, optimization, and everything in between. As the best IT company in USA, we are dedicated to delivering cutting-edge solutions that drive performance and efficiency. Our expertise extends to choosing the right compression technique for your web application, ensuring that your website performs optimally. In conclusion, the choice of JavaScript compression technique depends on various factors, including your specific goals, browser and server support, and performance requirements. Whether you opt for Brotli, GZIP, or Zopfli, Coding Crafts is here to provide the guidance and expertise you need to enhance your web application's performance and user experience. For more information on how Coding Crafts can assist you with your web development and optimization needs, contact us today. Resources "Brotli - GitHub Repository": https://github.com/google/brotli "Zopfli - Google Developers": https://developers.google.com/speed/articles/zopfli "Introduction to GZIP Compression - MDN Web Docs": https://developer.mozilla.org/en-US/docs/Web/HTTP/Overview#gzip_compression "Brotli vs. GZIP vs. Zopfli: Which Compression Method is Best?" - KeyCDN Blog: https://www.keycdn.com/blog/brotli-vs-gzip-vs-zopfli
  • Framer Update: 2x Faster Sites
    1 project | /r/framer | 2 Feb 2023
    We serve your site from a global cache location close to your visitors to make sure your site loads fast. In addition, we use an advanced HTML and text compression algorithm called Brotli. Compressed content is now cached, so we can send it directly to your visitors instead of compressing each request individually. In our tests this often improves loading speed by up to 2x, which will have a very positive impact on your Lighthouse scores like LCP. This will be especially noticeable on larger sites, so you can scale your site without worry.
  • How Much Faster Is Making a Tar Archive Without Gzip?
    8 projects | news.ycombinator.com | 10 Oct 2022
    For anyone who wants to try this, zstd -T0 uses all your threads to compress, and https://github.com/facebook/zstd has a lot more description. Brotli, https://github.com/google/brotli, is another modern format with some good features for high compression levels and Content-Encoding support in web browsers. You might also want to play with the compression level (-1 to -11 or more, zstd's --fast=n).

    One reason these modern compressors do better is not any particular mistake made defining DEFLATE in the 90s, but that new algos use a few MB of recently seen data as context instead of 32KB, and do other things impractical in the 90s but reasonable on modern hardware. The new algorithms also contain logs of smart ideas and have fine-tuned implementations, but that core difference seems important to note.

  • Troubling Launching Duckstation
    2 projects | /r/macgaming | 5 Sep 2022
    It seems to be using a lib called brotli - https://github.com/google/brotli. Can you compile from source?
  • 2000’s Winamp/WMP-ish skins?
    9 projects | /r/foobar2000 | 26 Jul 2022
    (++) Play Youtube videos and playlistsRelease date: Feb 3 20223dyd, [email protected] libraries: brotli https://github.com/google/brotli (1.0.7)

What are some alternatives?

When comparing LZ4 and brotli you can also consider the following projects:

zstd - Zstandard - Fast real-time compression algorithm

Snappy - A fast compressor/decompressor

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

LZFSE - LZFSE compression library and command line tool

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

InfluxDB - Power Real-Time Data Analytics at Scale
Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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