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
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 / 8 months ago
> 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 / 10 months ago
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
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
Https://github.com/mozilla/mozjpeg's cjpeg tool is the command line version of the mozjpeg library, itself a fork of libjpeg-turbo. Mozjpeg performs lossless JPEG optimization. There are plenty of others out there. Source: over 1 year ago
Use the Mozilla JPEG Encoder, which implements several tricks for smaller file size / better visual quality. The result is still JPEG standard compatible that other software can decode. Source: almost 2 years ago
Guetzli was already mentioned and roughly does what you are talking about. MozJPEG [1] includes several quantization tables that are optimized for different contexts (see the quant-table flag and source code for specific tables[2]), and the default quantization table has been optimized to outperform the recommended quantization tables in the original JPEG spec (Annex K). It's also worth noting that MozJPEG uses... - Source: Hacker News / almost 2 years ago
They're still being used. A newer, optimized JPEG encoder, mozJPEG[0], seems to use progressive encoding by default. I suspect with faster internet speeds, most images download and decode so fast that the cool 'enhance' animation doesn't happen anymore. [0] https://github.com/mozilla/mozjpeg. - Source: Hacker News / about 2 years ago
Mozjpeg greatly improved the state of art jpeg encodig, while maintaining full backwards compatibility https://github.com/mozilla/mozjpeg but there's a limit on what can be done with the primitives that jpeg offers. For example, jpeg is stuck with the older huffman coding for the entropy encoding part, instead of the better arithmetic coding or asymetric numeral systems. - Source: Hacker News / about 2 years ago
Testsetup: Encode a 6048x2048px big image using mozjpeg (mozjpeg-sys to be more specific), resize it down to 1008x665px using PistonDevelopers/resize, and decode it again using mozjpeg. - Source: dev.to / over 2 years ago
I wrote a bash script (code is here) that uses mozjpeg to recursively optimize JPGs and PNGs to smaller JPGs with minimal loss in image quality. I've found that JPGs optimized by this script are often 30-80% smaller than the original files. PNG optimization in turn often leads to JPGs that are 90-98% smaller. Example: original JPG (1.7 megabytes) and after optimization with my script (0.8 megabytes). Quality loss... Source: almost 3 years ago
I wrote two bash scripts (see comments section) that use mozjpeg (https://github.com/mozilla/mozjpeg) to recursively (i.e. Subfolders included) optimize/compress JPG and PNG files to smaller JPG files without significant loss in image quality. The scripts should work on various Debian and Ubuntu distros. I wrote these scripts because default mozjpeg settings don't produce the best possible results and it also... Source: almost 3 years ago
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