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Images: $wgCustomConvertCommand
Use another resizing converter, e.g. GraphicMagick.
Introduced in version:1.6.0 (r13244)
Removed in version:still in use
Allowed values:(string) or false
Default value:false


To use another resizing converter, e.g. GraphicMagick, set this variable to the command-line string required to launch the executable. If no string is specified, then MediaWiki's internal resizing code will be used.

In the command-line string, the following variables will be expanded:

  • %s will be replaced with the source path
  • %d will be replaced with the destination
  • %w will be replaced with the width
  • %h will be replaced with the height

For example, here is the command you would set for GraphicMagick:

  $wgCustomConvertCommand = "gm convert %s -resize %wx%h %d";
This setting is overridden by $wgUseImageMagick . If your custom converter is not being invoked, check that $wgUseImageMagick is not set to true.

Bitmaps vs. SVG[edit]

$wgCustomConvertCommand is only used for Bitmaps. If you're looking for an alternative to ImageMagick to convert your SVG files, you need to use $wgSVGConverter .