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Strollin' around
Status: Trending idea

I think it's a great opportunity for Firefox to stand out by supporting JPEG XL before any other browser.

Imagine images served by Cloudflare and Cloudinary load faster and look better only with Firefox. Firefox was a pioneer of web technologies and it should win the title back, if Firefox just keep following Chrome without any differentiation, why would people choose Firefox?

If the decoder memory safety is a concern, maybe Mozilla can start a crowd funding campaign to sponsor a Rust decoder, even the campaign itself will attract reports and attentions for Firefox.

Mozilla argued AVIF was already supported as a same generation but clearly JPEG XL has many advantages:

  • Much better encoding performance (AVIF is not suitable for realtime CDN optimization at all)
  • lossless and better high fidelity (video codec based image format)
  • HDR (there will be a billion of mobile devices with real good & bright screen in just a few years)
  • Little generation loss (important for web)

Supports from Facebook, Adobe (they're adding export support), Intel and VESA, Krita, The Guardian, libvips, Cloudinary, Shopify


Strollin' around

Yes, Please! 🙏🏼 JPEG-XL has benefits from many other formats (and advantages over WebP/AVIF) including animation & lossless option, Filesizes can be scaled up and down according to use-case,

and it has an all-in-one approach that's backwards compatible with legacy formats, surely Firefox would seize this opportunity to show why other companies should seriously move towards more open-standards.

Also why they should consider moving away from their locked-down proprietary ones that they get an advantage in pushing due to their market position? I believe that this format would be in-line with Mozilla's stance on browsers in general and offers the users choice. 


New member

We need this so badly. Internet speeds have grown so much but average page loading times have remained almost exactly the same as the early 2000s. You know what would help? Smaller files and more optimized formats!

People in developing nations, those in remote areas, moble users, and desktop users alike will thank you if this is implemented. Please do it 🙏

New member

As a web developer and photographer, I would love to see Mozilla reconsider from neutrality to strongly support.