Software Alternatives & Reviews

libpng VS mozjpeg

Compare libpng VS mozjpeg and see what are their differences

libpng logo libpng

libpng is the official Portable Network Graphics (PNG) reference library (originally called pnglib).

mozjpeg logo mozjpeg

Mozilla JPEG Encoder Project
  • libpng Landing page
    Landing page //
    2023-07-06
  • mozjpeg Landing page
    Landing page //
    2023-08-04

libpng videos

How To Fix Libpng or Libplayer.so issue?

More videos:

  • Review - Snowflakes with OpenGL and transparent textures via libPNG

mozjpeg videos

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Category Popularity

0-100% (relative to libpng and mozjpeg)
Game Development
45 45%
55% 55
Game Engine
53 53%
47% 47
3D Game Engine
54 54%
46% 46
Prototyping
47 47%
53% 53

User comments

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Social recommendations and mentions

Based on our record, mozjpeg seems to be a lot more popular than libpng. While we know about 13 links to mozjpeg, we've tracked only 1 mention of libpng. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

libpng mentions (1)

  • PNG Specification (Third Edition) W3C Working Draft 20 July 2023
    Is this by the same people or is it a competitor to the PNG development group (http://libpng.org/pub/png/)? The latter's website still heavily says that PNG is a still image only format, and promotes MNG as the animation alternative. Of course, that's not how web browsers have played it out, and it also appears to me that the libpng source code still lacks "APNG" support. This makes me think it's a competing... - Source: Hacker News / 9 months ago

mozjpeg mentions (13)

  • It's the future – you can stop using JPEGs
    It would be nice if the author would add mozjpeg[1] to the comparison. At certain sizes, it can produce smaller sizes than WebP, and because it is still a jpeg, it has a much better compatibility story, which the author alluded to. [1]https://github.com/mozilla/mozjpeg. - Source: Hacker News / 5 months ago
  • Random Code Inspiration Volume 2
    Image-shrinker is a simple, easy to use open source tool for shrinking images. Under the hood it uses pngquant, mozjpg, SVGO, and gifsicle. You can also install these tools individually if you need to compress some images. I often use pngquantafter exporting PNGs for web projects from Figma or similar tools. I literally run it like this:. - Source: dev.to / 7 months ago
  • JPEG XL: How It Started, How It’s Going
    > MozJPEG is a patch for libjpeg-turbo. Please send pull requests to libjpeg-turbo if the changes aren't specific to newly-added MozJPEG-only compression code. https://github.com/mozilla/mozjpeg#mozilla-jpeg-encoder-proj.... - Source: Hacker News / 9 months ago
  • Why there may never be a libjpeg-turbo 3.1
    FWIW, Mozilla has been maintaining their own fork for quite a while now[1] AFAIK most Linux Distros have been using libjpeg-turbo as a drop-in replacement for libjpeg, after some drama in ~2010 where libjpeg came under new management, decided to break ABI/API several times over and add incompatible, non-standard format extensions[2]. [1] https://github.com/mozilla/mozjpeg. - Source: Hacker News / 10 months ago
  • Are all JPEG compression implementations the same?
    No. See https://github.com/mozilla/mozjpeg Also, there is a fairly big problem with JPG that the ‘quality’ setting is not calibrated. That is you might look at one image and think it looks fine (which is subjective, depends on what you want to use the image for…) with a quality of 60%, but then you compress a million images at that rate, delete the originals, then... - Source: Hacker News / about 1 year ago
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What are some alternatives?

When comparing libpng and mozjpeg, you can also consider the following products

libjpeg-turbo - libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX, SSE2, NEON) to...

libjpeg - libjpeg is a widely-used free software library written in C which implements JPEG decoding and...

Guetzli - JPEG encoder from Google Research that aims for great compression with high visual quality.

libspng - libspng is a C library for reading and writing Portable Network Graphics (PNG) format files with a...

libtiff - Libtiff is a library for reading and writing Tagged Image File Format (abbreviated TIFF) files.

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