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LanguageTool is an Open Source proofreading tool. This website lists LanguageTool's error detection rules and applies them to Wikipedia content for demonstration and testing purposes.
Browse Rules
LanguageTool uses rules to detect errors. Each rule represents a potential error in the text to check. Have a look at all rules of all languages here.
Check any Wikipedia page
Check Rules' Results
We use LanguageTool on Wikipedia data to test which rules work well and which need more work. If there's a real error you're encouraged to fix it in Wikipedia, but note that the check may not be up-to-date and the error may have been fixed already.
Random selection of LanguageTool results when run on Wikipedia:
- Cirka forkortes
ca. : [Visit Rule]
...ls of the costume of the Knights of the Dannebrog ca 1750 by Marcus Tuscher.jpg|thumb|Detaljer af en "...
Login to vote · Visit Wikipedia - Ordgentagelse: Du har gentaget
kommuner .: [Visit Rule]
...rier. 3. Se også Kommuner på Færøerne Skotlands kommuner Kommuner i Sverige Den danske kommunalreform i 1970 4. Ek...
Login to vote · Visit Wikipedia - To på hinanden følgende punktummer:
[Visit Rule]
... de ikke giver grundlag for generelle anbefalinger.. Eksempler på symptomer hvor der ved behandling er...
Login to vote · Visit Wikipedia
![[Visit Rule]](/rule/show/ca?lang=da&textToCheck=...ls+of+the+costume+of+the+Knights+of+the+Dannebrog+ca+1750+by+Marcus+Tuscher.jpg%7Cthumb%7CDetaljer+af+en+%22...){kind=link}
Visit the LanguageTool homepage to download LanguageTool as an extension for LibreOffice or OpenOffice.org