LanguageTool Community

Catalan Dutch English French German Polish Portuguese Spanish Ukrainian

Browse Rules: 6,150 matches

These are some of the errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online.

Description Example Category
I dont't (don't) He didnt't know about it. Possible Typo
couldve (could've) I couldve done it. Grammar
would never done (have done) I would never done that. Grammar
affect vs effect The medicine shouldn't effect the baby. Commonly Confused Words
oud't, oudn't, ould't → ouldn't They coud't come. Grammar
Recommended compounds (smartphone, website, …) Not everyone wants or needs a fancy coffeemaker, and that’s totally fine. Style
brother-in-laws (brothers-in-law) How many brothers-in-laws do you have? Possible Typo
brother-in-laws (brothers-in-law) How many brother-in-laws do you have? Possible Typo
Capitalization of words derived from proper nouns During the decline of the Ottoman Empire, these areas began to balkanize. Typography
arn't → aren't They arn't coming. Grammar
LanguageTool 6.8-SNAPSHOT (2026-02-18 22:33:09 +0100)