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LanguageTool
Grammar and spell checker for 25+ languages
As of 30 August 2026, LanguageTool is free to use. LanguageTool is an open-source grammar, style, and spell checker that supports over 25 languages. Softwr lists it under Browser Extensions. LanguageTool is made by LanguageTooler GmbH, launched in 2003, available on Web, Windows, macOS, Browser extension.
Overview
What LanguageTool does
LanguageTool is an open-source grammar, style, and spell checker that supports over 25 languages. It goes beyond simple spell checking to find errors that other tools miss, including grammatical mistakes and style issues.
What people use it for
- Grammar and spelling correction across web and desktop
- Style and clarity improvements
- Multilingual writing assistance
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about LanguageTool.
- Free tier limited to basic spelling and simple punctuation; advanced punctuation and style issues caught only on premium
- Picky Mode (advanced typography) unavailable on free plan
- Specific pricing not displayed on main page; requires navigation to purchase flow
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Pricing
What LanguageTool costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Basic
Free
- 2,000 character limit per text
- 3 AI paraphrasing requests per day
- Basic grammar and spelling checks
Premium
On request
- 150,000 character limit per text
- Unlimited AI paraphrasing
- 20,000+ grammar and style checks
Teams
On request
- Per-user, per-month pricing
- 2-1000+ users
- Team Style Guide
- Team Dictionary
Capabilities
Features
Multi-language support
Grammar checking
Style suggestions
Personal dictionary
Chrome support
Available on chrome
Firefox support
Available on firefox
Edge support
Available on edge
Safari support
Available on safari
Opera support
Available on opera
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
Does LanguageTool have a free version?
Yes, LanguageTool Basic is free with a 2,000 character limit per text field and 3 AI paraphrasing requests per day for basic grammar and spelling checks.
SourceWhat does LanguageTool Premium offer?
LanguageTool Premium increases the character limit to 150,000 per text field, provides unlimited AI paraphrasing, and includes 20,000+ advanced grammar and style checks. Multiple billing options are available including monthly, quarterly, annual, and 2-year plans.
SourceDoes LanguageTool offer a money-back guarantee?
Yes, LanguageTool provides a 14-day money-back guarantee on all Premium packages with no period of notice required; cancel anytime.
SourceBehind it
Who makes LanguageTool
- Company
- LanguageTooler GmbH
- Based in
- Potsdam, Germany
Keep looking
Where to go from LanguageTool
- LanguageTool alternativesEvery product people weigh against it
- LanguageTool pricingPlans, floors and what the tiers exclude
- LanguageTool badgesWhich rules it meets, and the figure behind each
- All Browser Extensions softwareThe full category
- Best Browser Extensions softwareThe shortlist, and how it was cut
Best Browser Extensions software for
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Other Browser Extensions software
Softwr does not host reviews and shows no star rating for LanguageTool, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
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