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LanguageTool

LanguageTool is an AI-powered grammar, spelling, and style checker that supports multiple languages and integrates across browsers, documents, and writing apps. It’s widely used by students, professionals, and multilingual teams who need accurate writing assistance beyond English.

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Tips & Tricks to Get the Most Out of LanguageTool

Select the correct language variant — Choose regional versions (e.g., US vs UK English) for more accurate suggestions.

Use the browser extension — Get real-time grammar checks across emails, documents, and websites.

Review style suggestions — Beyond grammar, these help improve clarity and readability.

Add words to personal dictionary — Prevent repeated flags on brand names or custom terminology.

Use for multilingual proofreading — Great for checking content written in multiple languages.

What Can LanguageTool Be Used For?

Grammar and spelling correction
Multilingual proofreading
Writing clarity improvements
Professional and academic writing
Email and document editing
Style and tone refinement

Pricing Plans

Free

$0/forever

Basic checks

  • Basic grammar and style checks
  • Limited suggestions
  • Browser extension
Get Started Free

Teams

Custom

Per user pricing

  • User management
  • Team style guide
  • Team dictionary
  • Admin controls
Contact Sales

User Reviews

EA
Everett ArndtJan 30, 2026
1

LanguageTool went to premium for the browser extension, where Grammarly remained free. Grammarly doesn't charge for spell check and grammar.

F
FilipJan 16, 2026
3

The developers' choice to restrict extensions to paying subscribers was a mistake. It was enjoyable during its free period, but I will not pay for a subscription given the abundance of no-cost options.

AM
Aida MateosNov 4, 2025
1

It used to be very good, but they added AI and now it just says, in every sentence, "there may be a mistake here". It is not useful anymore.

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