JPEG XL

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|subcat=Graphics
 
|subcat=Graphics
 
|extensions={{ext|jxl}}
 
|extensions={{ext|jxl}}
|released=2019 (draft)
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|mimetypes={{mimetype|image/jxl}}
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|extended from=[[JPEG]], [[PIK]], [[FUIF]]
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|magic={{magic|FF 0A}} or {{magic|00 00 00 0C 4A 58 4C 20 0D 0A 87 0A}}
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|patent license=Royalty-Free
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|released=2021
 
}}
 
}}
'''JPEG XL''' is a work-in-progress compressed image format and/or file format that is yet another attempt to be the next [[JPEG]]. It was first announced around 2017-08. It is expected to be published as ISO/IEC 18181.
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'''JPEG XL''' is a compressed image format and/or file format that is yet another attempt to be the next [[JPEG]]. It was first announced around 2017-08. It is expected to be published as ISO/IEC 18181.
  
JPEG XL is expected to be based in part on [[FUIF]] and [[PIK]] formats.[https://github.com/cloudinary/fuif/blob/3ed48249a9cbe68740aa4ea58098ab0cd4b87eaa/README.md] The standard also supports recompression of JPEG files with bit-exact reconstruction.
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JPEG XL is based in part on the [[FUIF]] and [[PIK]] formats.[https://github.com/cloudinary/fuif/blob/3ed48249a9cbe68740aa4ea58098ab0cd4b87eaa/README.md] The standard also supports recompression of JPEG files with bit-exact reconstruction.
  
 
== Identification ==
 
== Identification ==

Revision as of 09:09, 21 May 2021

File Format
Name JPEG XL
Ontology
Extension(s) .jxl
MIME Type(s) image/jxl
Extended From [[JPEG, PIK, FUIF]]
Magic Bytes FF 0A or 00 00 00 0C 4A 58 4C 20 0D 0A 87 0A
Patent License Royalty-Free
Released 2021

JPEG XL is a compressed image format and/or file format that is yet another attempt to be the next JPEG. It was first announced around 2017-08. It is expected to be published as ISO/IEC 18181.

JPEG XL is based in part on the FUIF and PIK formats.[1] The standard also supports recompression of JPEG files with bit-exact reconstruction.

Contents

Identification

Based on the reference implementation, JPEG XL codestreams start with bytes ff 0a. Codestreams may also be wrapped in an ISOBMFF-based file format (implementation).

Specifications

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