New image format: JPEG XL

Boudewijn Rempt boud at
Tue Nov 19 15:01:19 GMT 2019

Hi Jan & Jon!

This sounds interesting. We're already supporting PNG extended to support HDR images, so this would be very welcome. Is there already a library that implements this code? I don't think we'll be able to do the work on our own, but we could collaborate on adding a new import/export filter to Krita.

On dinsdag 19 november 2019 12:44:29 CET Jan Wassenberg wrote:
> Hi,
> thanks for Krita, we're (ab)using it for image editing :)
> Thought you might be interested in the JPEG XL
> <> image format
> (lossy/lossless storage of photographic/synthetic/mixed images/animations).
> Lossless mode is about 2/3 the size of a PNG and
> visually lossless (lossy but very high quality) is ~40% of JPEG size.
> Other features include up to 16 or even 32 bits per sample, layers,
> selection masks, and minimalistic vector support (splines).
> JPEG XL is in the late stages of standardization. Would you be
> interested in engaging with us to see if there are any missing
> must-have features, or explore whether we can work together
> towards support in KDE?
> Best regards
> Jan on behalf of the JPEG XL team at Google and Cloudinary

Boudewijn Rempt | |
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