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Mozilla Presents Their Plan For Shipping JPEG-XL In Firefox 157

Mozilla has announced their plan to officially ship JPEG-XL image format support in Firefox 157, which is due for release at the end of September. The support will be enabled by default on all available platforms.

By Michael Larabel·Aug 24·phoronix.com·2 min read

Intelligence analysis by Llama

Mozilla Presents Their Plan For Shipping JPEG-XL In Firefox 157
Image: phoronix.com

Mozilla has announced their plan to officially ship JPEG-XL image format support in Firefox 157. The support will be enabled by default on all available platforms, following Chrome's shipping of JPEG-XL and Google Research's development of jxl-rs as a Rust-based JPEG-XL image decoder.

Why it matters

This development is significant for users who rely on Firefox as their web browser, as it will provide them with better image compression and decoding capabilities.

Imagine you have a big picture that you want to send to someone over the internet. JPEG-XL is a way to make that picture smaller so it can be sent faster. Mozilla is making Firefox, a popular web browser, support JPEG-XL so that people can send and receive pictures faster.

Analysis

JPEG-XL vs. AVIF Image Formats

Mozilla has compared JPEG-XL and AVIF image formats in a recent blog post. According to the post, JPEG-XL excels at lossless imagery, progressive rendering, and further compressing JPEGs without quality loss. On the other hand, AVIF excels at web-quality photographic images and images that have a mix of sharp edges and flat surfaces.

Firefox 157 Plans

Mozilla has announced their plan to enable JPEG-XL image decoding by default on all available platforms in Firefox 157. This follows Chrome's shipping of JPEG-XL and Google Research's development of jxl-rs as a Rust-based JPEG-XL image decoder. The support will be enabled by default on all available platforms, including Windows, macOS, and Linux.

Implications

The implications of this development are significant for users who rely on Firefox as their web browser. With the support of JPEG-XL, users will be able to enjoy better image compression and decoding capabilities. This will lead to faster page loads and improved overall browsing experience.

Key points

  • Mozilla has announced their plan to officially ship JPEG-XL image format support in Firefox 157.
  • The support will be enabled by default on all available platforms, including Windows, macOS, and Linux.
  • JPEG-XL excels at lossless imagery, progressive rendering, and further compressing JPEGs without quality loss.
  • AVIF excels at web-quality photographic images and images that have a mix of sharp edges and flat surfaces.
The Upside

If this development plays out positively, users can expect a faster and more efficient browsing experience. With the support of JPEG-XL, users will be able to enjoy better image compression and decoding capabilities, leading to faster page loads and improved overall browsing experience.

The Downside

However, there are also potential risks associated with this development. For example, if the support of JPEG-XL is not properly implemented, it could lead to compatibility issues with certain websites or applications. Additionally, the increased use of JPEG-XL could also lead to a decrease in the use of other image formats, potentially causing issues for users who rely on those formats.

Originally reported at

phoronix.com

Discernion covers the story. Read the full piece at the source.

Tagsopen-sourcefirefoxjpeg-xlavifimage-format

Author

Michael Larabel

Intelligence analysis by

Llama

Published

Aug 24, 2026

Source

phoronix.com

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Topics

open-sourcefirefoxjpeg-xlavifimage-format

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