LanguageTool
Multilingual grammar and spelling checkerCatch spelling, grammar and style issues fast
Highlights
What you can do with it
- Proofreading an email or report before sending it
- Checking a translation for grammar slips
- Cleaning up style issues in a long document
How to use it
- 1 Open LanguageTool in the browser or add the extension
- 2 Paste or type the text you want checked
- 3 Review the highlighted issues and the suggestions
- 4 Apply the corrections you agree with
Who it is for
Pros
- Covers several languages in one tool
- Suggestions come with explanations rather than silent fixes
- A free tier handles everyday checking
Limitations
- The free version limits how much text and how many rules apply
- It cannot judge context perfectly, so review every suggestion
- Pricing and limits can change
What LanguageTool is
LanguageTool is a language detection and proofreading tool. It checks a piece of text for spelling errors, grammar errors and language style problems, then offers intelligent correction suggestions you can accept or ignore. It supports many languages, which makes it useful for people writing in a second language as well as for translation and editing work. The listing describes it as suitable for writing, translation, editing and similar scenarios, with a free version for general use and a paid version that adds more advanced features.
What you can do with it
- Check spelling and grammar in a document before you send it
- Review style issues and tighten awkward phrasing
- Proofread text written in a language that is not your first
- Use it inside the browser while you type rather than after the fact
Who it is for
- Non-native speakers who write emails or reports in another language
- Students polishing essays and coursework before submission
- Editors and translators doing a first pass on a draft
What to watch out for
A checker is a second pair of eyes, not a replacement for your own judgement. It will flag phrasing that is actually correct in context, and it will miss errors that depend on meaning rather than form, so read every suggestion before accepting it. The free version limits how much text and how many rules apply, which matters if you edit long documents regularly. Pricing and limits can change, and the tool says nothing about whether your text is good, only whether it is grammatical. Start with a small sample to confirm the output meets your expectations before processing the full batch.
FAQ
What does LanguageTool check?
Spelling errors, grammar errors and language style, with intelligent correction suggestions.
Does it support more than one language?
Yes, multi-language support is listed as a feature.
Is there a free version?
Yes, there is a free version and a paid version with more advanced features.
Why it is free
What the official page says: 免费
Free limits, trial length and features are decided by the official site and can change at any time.
Product preview
Screenshot archived from the listing page, for preview only.