What LanguageTool is
LanguageTool is a multilingual writing checker. It flags grammar errors, misspellings and redundant expressions as you type, suggests clearer rewording, and runs through browser plugins, desktop apps and online editors, with dictionaries and personal rules to reduce false positives.
What you can do with it
- Proofread while writing anywhere
- Check essays, resumes and marketing copy
- Unify style across a team
- Work across languages
Who it is for
- Students and editors
- International teams
- Multilingual writers
What to watch out for
- Suggestions can miss context, tone and domain terminology; review rather than auto-accept
- Free tier limits some advanced checks
- It corrects language, not factual or argument quality
- Privacy of checked text depends on plan and settings
Pros & cons
✓ What we like
- Genuine multilingual coverage
- Integrates into daily writing
- Customisable rules
! What to watch out for
- Context-blind suggestions
- Advanced features paid
- Not a fact checker
FAQ
What is it for?
Real-time grammar, spelling and style checking during everyday writing.
Who suits it?
People processing multilingual text across platforms regularly.
Why not just spellcheck?
Because many errors are subtle collocation and unnatural phrasing, not spelling.
Last reviewed: 2026-09-18
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