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Standard
ISO/IEC 18181-2
Second edition
Information technology — JPEG XL
2024-06
image coding system —
Part 2:
File format
Technologies de l'information - Systѐme de codage d'images
JPEG XL —
Partie 2: Format de fichiers
Reference number
ISO/IEC 18181-2:2024(en) © ISO/IEC 2024
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ISO/IEC 18181-2:2024(en)
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© ISO/IEC 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
© ISO/IEC 2024 – All rights reserved
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ISO/IEC 18181-2:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General . 2
5 File organization . 2
6 Data types and numerical values . 3
7 Graphical descriptions . 3
8 Binary format of a box . . 4
9 Box types . 4
9.1 JPEG XL Signature box .4
9.2 File Type box .5
9.3 Level box .5
9.4 JUMBF box .5
9.5 Exif box .5
9.6 XML box .6
9.7 Brotli-compressed box .
...