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This documentation is transcluded from Template:BadJPEG/doc.

After uploading the new image, you should
  1. Find all pages in all Wikimedia projects that use this image, and replace the old image with the new image in each. Special:GlobalUsage and the Commons:GlobalReplace application may make this process quicker.
  2. Mark the old image by adding one of these templates (Note: Be sure to read Deletion policy on Redundant/Bad quality images).
  3. If you have a detailed and rational reason based on Commons policies as to why the file is inferior to the alternative version you may nominate it for deletion by clicking on Nominate for deletion in the Tools menu on the left (See Commons:Superseded images policy, {{Superseded}} is not a reason to delete).

For more information, see Commons:File types, Commons:Preparing images for upload and Commons:Media for cleanup.

This template is based originally on en:Template:BadJPEG, the corresponding template with the same purpose at the English Wikipedia.

The template automatically sets the following categories: Category:Images with inappropriate JPEG compression, a subcategory of Category:Images for cleanup, if the filename ends in .jpg or .jpeg (if it doesn't, it categorises into Category:Files incorrectly marked as BadJPEG).



Template parameters

1may specify a topic of Convert to SVG/doc/param1emptyoptional
stylemay specify an {{Mbox}} style,
e.g. style=margin-left:0;border-left:2px solid #F4C430

Additional information

The template is intended to be used in the following namespaces: the File namespace

The template is intended to be used by the following user groups: all users


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This template is localized through {{Autotranslate}}. The layout of the template can be found under Template:BadJPEG/layout.

To add your language to the list of languages supported by this template, please copy the code of Template:BadJPEG/en (or any other language version you prefer to translate) and replace the text strings in there (the form below can be used to create a translation, the English version is preloaded in the edit box). Please change the parameter lang from en (or whatever language you are translating) to the language code of your language.

Template data

<templatedata>JSON</templatedata> ./. {{TemplateBox}}

TemplateData is a way to store information about template parameters (the description of those and of the whole template) for both humans and machines. It is used by VisualEditor and possibly other tools like Upload Wizard.

Existing template documentation
At Wikimedia Commons, it is recommended to use {{TemplateBox}} with either ‎useTemplateData=1 or ‎useTemplateData=only on the ‎/doc subpage and transcluding it with {{Documentation}} into the template. ‎<nowiki>-tags can be wrapped around the arguments, if required, to avoid templates being expanded.

Newly created template documentation and imports
Another option, especially for imported templates, or for users with JSON experience, is placing raw ‎<templatedata>-tags into the Wikitext of the template, as described in various Wikipediae.

There is an ongoing discussion about that matter. Feel invited to comment if you are experienced in either way, your time permits and if you like to share your opinion or to make a suggestion.

Wikipedia's help about TemplateDataCommons-specific information

See also

{{Convert to SVG}}, which automatically adds this template when used on JPEGs.