Grammar & Spelling Checker (Free, 30+ Languages)
Check grammar, spelling, punctuation and style in English and 30+ other languages with LanguageTool's open-source rule engine — click a suggestion to fix it. No sign-up.
How to use
- 1Paste or type your text (up to about 20,000 characters).
- 2Click Check — problems are listed with suggestions.
- 3Click a suggestion to apply it, then copy your corrected text.
Frequently asked questions
Is my text stored?
Your text is sent to LanguageTool's public API to be checked and isn't stored by us. LanguageTool says it doesn't store texts submitted to the free API. Avoid pasting confidential information.
Is this AI?
No — LanguageTool is an open-source checker based on thousands of hand-written grammar rules plus statistical spelling, so its suggestions are explainable.
Which languages are supported?
English (US, UK, Canada, Australia…), German, French, Spanish, Portuguese, Dutch, Italian, Polish, Russian, Ukrainian, Catalan and more. Leave it on 'Auto' to detect the language.