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MediaWiki extensions manual
OOjs UI icon advanced.svg
Release status: experimental
Implementation API
Description Enables proofreading in VisualEditor
Author(s) Ankita Kumari, Eran Rosenthal and Amir E. Aharoni, with backend by the LanguageTool developers (Ankita-kstalk)
Latest version 0.0.0
Database changes No
License GNU General Public License 2.0 or later
Check usage and version matrix.
Issues Open tasks · Report a bug

The LanguageTool is a MediaWiki extension that enables language proofing support in VisualEditor. It currently supports over twenty languages. The button to enable the LanguageTool is currently located in the "Insert" toolbar menu.


  • Download and place the file(s) in a directory called LanguageTool in your extensions/ folder.
  • Add the following code at the bottom of your LocalSettings.php:
    wfLoadExtension( 'LanguageTool' );
  • Yes Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

To users running MediaWiki 1.24 or earlier:

The instructions above describe the new way of installing this extension using wfLoadExtension(). If you need to install this extension on these earlier versions (MediaWiki 1.24 and earlier), instead of wfLoadExtension( 'LanguageTool' );, you need to use:

require_once "$IP/extensions/LanguageTool/LanguageTool.php";

Configuration parameters[edit]