JPEG XL

Writable

image

JPEG XL is a raster image format standardised by ISO/IEC FDIS 18181-1, that supports lossy and lossless compression. This PUID is for the JPEG XL file format.

Identify it

Extensions	`.jxl`
MIME types	`image/jxl`
Signatures	`ff0a` at byte 0 (File Formats Wiki) `0000000c4a584c200d0a870a` at byte 0 (File Formats Wiki)
PRONOM	`fmt/1484fmt/1485`
Wikidata	`Q72885392`
Library of Congress	`fdd000538`

Not sure your file is this? Identify it from its first bytes, in your browser.

Open it

cjxlOpen sourcewrites · 3-clause BSD License
GIMPOpen sourcereads and writes · GNU General Public License, version 3.0
jxl-rsOpen sourcereads and writes · 3-clause BSD License
libjxlOpen sourcereads and writes · 3-clause BSD License
AbydosOpen sourcereads · GNU Lesser General Public License
digiKamOpen sourcereads · GNU General Public License, version 2.0 or later
djxlOpen sourcereads · 3-clause BSD License
nomacsOpen sourcereads · GNU General Public License, version 3.0
Q141647660Open sourcereads · Apache Software License 2.0 / MIT License
ShotwellOpen sourcereads · GNU Lesser General Public License, version 2.1 or later
IrfanViewreads and writes · freeware
Q1936840reads and writes

Convert it

No conversion recorded. One of the tools above may export it; search for a chain.

Versions and variants (1)

JPEG XL CodestreamUnknown

Sources

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

Improve this record JSON