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LanguageTooler GmbH
Karl-Liebknecht-Str. 21/22
14482 Potsdam
Phone: +49 331 97 990 79
CEO: Daniel Naber
Trade Register: Amtsgericht Potsdam HRB 30269 P
VAT no.: DE315084345
email: daniel.naber at

Funding by the European Union

The European Union and the European Regional Development Fund (ERDF) support this project by providing funding. They support the development of error detection algorithms in multilingual texts, and the development of our browser add-ons and website.

Supported by the Ministry of Labour, Social Affairs, Health, Women and Family from funds of the European Social Fund and the Land of Brandenburg, who support the development of our style checker. You can find information about the ESF at

Availability offers a free service to automatically proofread text. There are no guarantees about availability, features, performance, or quality. There are no guarantees about a specific version of the proofreading software running, nor about future updates.

Dispute Resolution

We do not participate in out-of-court online dispute resolution. According to EU Regulation No. 524/2013, however, we are obliged to point out that the European Commission operates a platform for out-of-court online dispute resolution (so-called OS platform) at

Limitation of Liability shall not be responsible for any claimed damages, including incidental and consequential damages, which may arise from the use of or from’s servers going offline or being unavailable for any reason whatsoever.


The contents of this homepage is available under CC BY-SA 3.0. The software, LanguageTool, is available under LGPL 2.1 or later. This page uses some icons provided by FatCow which are available under CC BY 3.0. The font used is Source Sans Pro from Adobe, available under SIL Open Font License, 1.1.


Please see our privacy policy.