JPEG XL: How It Started, How It’s Going

• lepton

  5 5,001 1.8 C++

  Discontinued Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%. (by dropbox)

  

JPEG XL can losslessy transcode JPEG into a smaller format. JPEG2000 (or WebP or anything but Lepton[0]) didn't offer that. Besides, we have gif and png for approximately the same space. gif still isn't gone. Displacement isn't necessary for a new format to become useful.

[0] https://github.com/dropbox/lepton

• mozjpeg

  19 5,353 6.2 C

  Improved JPEG encoder.

  

> 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...

• WorkOS

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• exiftool

  249 2,847 6.8 Perl

  ExifTool meta information reader/writer

  

I think TIFF has some unique features that makes it more prone to certain security issues[1] compared to other formats, such as storing absolute file offsets instead of relative offsets. So I am not sure TIFF is a good container format, but many camera raws are TIFF-based for some reason.[2]

[1] https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=libtiff

[2] https://exiftool.org/#supported (search for "TIFF-based")

• fuif

  3 166 0.0 C++

  Free Universal Image Format

  

But they didn't even explain what FUIF or PIK might be in that section or even the entire article!

To understand that article required me searching for FUIF [1], PIK [2] and a brief explanation of what JPEG XL is trying to achieve.

I double down on my "complaint" - I'd call it constructive criticism - that article was poorly written. It's actually quite a good story that their Free Universal Image Format (FUIF) has achieved what it has. That's a great acronym, especially for a world that thinks JPEG XL is a good acronym! Why not put in in the article.

To save anyone else time:

[1] https://github.com/cloudinary/fuif

• pik

  9 829 0.0 C++

  A new lossy/lossless image format for photos and the internet

  

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