LanguageTool is a proof­reading service for English, German, Polish, Russian, and more than 20 other languages.

LanguageTool identifies many grammatical and stylistic issues that a simple spell checker cannot detect.

Download compare editions  ·  more integrations

For Firefox
Browser Add-on
More information
For Chrome
Browser Add-on
More information
For Google Docs
Add-on
For LibreOffice
v3.9, 76 MB, Needs Java 8+
Stand-alone for
your Desktop
v3.9, 113 MB, Needs Java 8+

Please see our checklist if you experience problems. Download old releases or daily builds.

License & Source Code

LanguageTool is freely available under the LGPL 2.1 or later.
The source is available on github.

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