PackJPG

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(Created page with "{{FormatInfo |name=packJPG |formattype=electronic |subcat=Graphics |extensions={{ext|pjg}} }} '''packJPG''' is a JPEG file compression utility, and associated '''.pjg''' f...")
 
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|subcat=Graphics
 
|subcat=Graphics
 
|extensions={{ext|pjg}}
 
|extensions={{ext|pjg}}
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|released=2007
 
}}
 
}}
 
'''packJPG''' is a [[JPEG]] file compression utility, and associated '''.pjg''' file format. It can losslessly compress many JPEG files. packJPG is open source as of version 2.5.
 
'''packJPG''' is a [[JPEG]] file compression utility, and associated '''.pjg''' file format. It can losslessly compress many JPEG files. packJPG is open source as of version 2.5.
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There are apparently multiple versions of the format. Different versions of the utility may use incompatible formats.
 
There are apparently multiple versions of the format. Different versions of the utility may use incompatible formats.
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 +
See also [[packPNM]].
  
 
== Identification ==
 
== Identification ==
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== Links ==
 
== Links ==
* [http://www.elektronik.htw-aalen.de/packjpg/ packJPG web site]
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* [http://packjpg.encode.ru/ packJPEG website]
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* [http://www.elektronik.htw-aalen.de/packjpg/ Old packJPG website]
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* [https://github.com/packjpg/packJPG GitHub repository]
  
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{{DISPLAYTITLE:packJPG}}
 
[[Category:JPEG]]
 
[[Category:JPEG]]
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[[Category:Compression]]
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[[Category:Compression research]]

Revision as of 13:24, 15 May 2016

File Format
Name packJPG
Ontology
Extension(s) .pjg
Released 2007

packJPG is a JPEG file compression utility, and associated .pjg file format. It can losslessly compress many JPEG files. packJPG is open source as of version 2.5.

Whether the format is a graphics format, or a special-purpose compression format, is a matter of opinion.

There are apparently multiple versions of the format. Different versions of the utility may use incompatible formats.

See also packPNM.

Identification

At least some packJPG files begin with the ASCII signature 'J' 'S'.

Links

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