JPEG XL browser status

JPEG XL:
When?

The modern image format is arriving across every major browser engine. Here is the short version.

Available
WebKit / Safari Stable 26
Now

Supported by WebKit today.

Still missing animated JPEG XL
Scheduled
Chromium / Chrome Checking stable...
Ships in 155

Planned to ship in Chromium 155.

Calculating countdown...
Scheduled
Firefox Checking stable...
Ships in 158

Planned to ship in Firefox 158 on October 13.

Calculating countdown...
Available
Ladybird Pre-alpha
Now

JPEG XL works in development builds, animations included.

See Ladybird support
Parked
Servo Prototype
WPTs passed 32

Servo could be serving JXL already. PR #44603 passed 32 WPTs, then died a political death at the project's no-AI gate.

PR #44603: RIP Current effort

Live format test

This image is a JXL.

The browser gets the 46 KB JPEG XL directly. No PNG, no WebP, no fallback.

Testing this browser...
Colorful dice in JPEG XL format
Pure JPEG XL - 46 KB800 x 600
Animated grid of rotating colorful icons in JPEG XL format
Pure animated JPEG XL - 333 KB128 x 128

One more thing

JXL moves, too.

This is an animated JPEG XL served directly with no fallback. If it moves, your browser supports animated JXL.

The answer

Soon, everywhere.

Use JPEG XL today where support permits, and watch the remaining engines catch up.