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Apologies if this has been posted before, but has anyone tried the new JPEG XL format -- is it available yet? A good idea?

 https://www.dpreview.com/news/5829652105/jpeg-xl-image-format-promises-smaller-files-backwards-compatibility-and-more

 

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The specification sounds promising. It's not a common format yet, means it could be a big risk to use it instead of jpg and/or dng. JPEG XL has a open source reference implementation according to the web site  https://jpeg.org/jpegxl/  It says the format is royalty free licensed which is not the same as open source. For me it's not entirely clear whether JPEG XL is a proprietary format or not. All proprietary formats have a stillborn effect so far and disappeared

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On 8/22/2021 at 9:01 AM, 01maciel said:

The specification sounds promising.

Of course it is, it has almost every feature you could've ever dreamt of ;) Repetitive patches, splines (for e.g. hair), progressive rendering, animations, HDR, lossless and fully reversible JPEG re-coding to JPEG XL, ...

On 8/22/2021 at 9:01 AM, 01maciel said:

It's not a common format yet, means it could be a big risk to use it instead of jpg and/or dng.

Yeah, it's chicken and egg problem. Thankfully JPEG XL is already in major browsers, hidden behind respective flags.

On 8/22/2021 at 9:01 AM, 01maciel said:

JPEG XL has a open source reference implementation according to the web site  https://jpeg.org/jpegxl/  It says the format is royalty free licensed which is not the same as open source.

JPEG committee apparently learned from their past mistakes. JPEG XL is both royalty-free and open source, available on GitHub (mirrored on GitLab) and has just been recently re-licensed from Apache 2 to a more permissive BSD-like license.

On 8/22/2021 at 9:01 AM, 01maciel said:

For me it's not entirely clear whether JPEG XL is a proprietary format or not. All proprietary formats have a stillborn effect so far and disappeared

Hopefully it shouldn't happen this time, aside from browsers there's already a bunch of software supporting JPEG XL despite the format being frozen exactly 8 months ago. The format also has active community that you can join on Discord :)

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