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LanguageTool

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Catch grammar, spelling, and style errors in 30+ languages

Writing & ContentAI WritingGrammar & Style
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Reviews onG2CapterraSourceForge
61 reviews tracked·2 press mentions

The Bottom Line

Entry price

From $4.99/mo (free plan available)

Biggest pro

Good grammar checker

Biggest con

Less advanced than Grammarly

TL;DR - LanguageTool

  • Open-source grammar and style checker supporting 30+ languages including 6 English dialects
  • AI paraphraser rewrites sentences to be simpler, shorter, or more formal
  • Available as browser extension, desktop app, and plugins for Word, LibreOffice, and Google Docs
Pricing: Free plan available
Best for: Growing teams
4.4/5 across review platforms

What is LanguageTool?

Editorial review
LanguageTool catches grammar, spelling, and style issues across 30+ languages. The AI-powered checker goes beyond basic errors to suggest clearer phrasing and detect tone inconsistencies. Available as a browser extension, desktop app, and API, it helps writers produce polished content whether drafting emails or long-form articles.

Available on: Web, Chrome, macOS, Windows, iOS, Android

how we evaluateSourcelanguagetool.org ↗

Pros & Cons

Pros

  • Good grammar checker
  • Privacy focused
  • Multi-language
  • Browser extension
  • Self-hostable

Cons

  • Less advanced than Grammarly
  • Premium expensive
  • Integration limited
  • AI features basic
  • Style suggestions limited

Ratings Across the Web

4.4(61 reviews)
G243 reviews
4.4/5
Capterra16 reviews
4.2/5
SourceForge2 reviews
5/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Grammar checkerStyle suggestionsSpelling correctionMulti-languageBrowser extensionAPI access

Pricing Plans

Free Trial

Pricing checked Jul 11, 2026

Free

Free

Basic checks

  • 20,000 chars/check
  • Basic grammar
  • Limited suggestions
  • Browser extension

Premium

$4.99/month

Advanced features

  • 150,000 chars/check
  • Style suggestions
  • Word choice
  • Punctuation checks

Teams

$6.99/per user/month

For teams

  • All Premium features
  • Team dashboard
  • Usage stats
  • Priority support
Calculate your costView full pricing

How LanguageTool's pricing compares

At $4.99/mo, LanguageTool is the most affordable of its 4 direct competitors.

LanguageTool
$4.99
ProWritingAid
$10
Grammarly
$12
Ginger Software
$13.99
Sapling
$25

Entry paid plan, monthly. Pricing checked Jul 11, 2026.

Reviews

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4.4/5

Across 61 verified user reviews on G2, Capterra, SourceForge

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Best LanguageTool Alternatives

Top alternatives based on features, pricing, and user needs.

Grammarly logo
GrammarlyFreemium

Write with clarity, confidence, and correctness

4.7
Sapling logo
SaplingFreemium

AI-powered language model toolkit for real-time communication suggestions in enterprise workspaces.

4.5
ProWritingAid logo
ProWritingAidFreemium

The essential toolkit for storytellers to craft, polish, and elevate their writing.

4.6
Ginger Software logo
Ginger SoftwareFreemium

Grammar, spelling, and punctuation checker with translation

4.2
See all writing & content tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

LanguageTool vs GrammarlyHead-to-head: features, pricing, who winsLanguageTool vs SaplingHead-to-head: features, pricing, who winsLanguageTool vs ProWritingAidHead-to-head: features, pricing, who wins

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LanguageTool FAQ

How does LanguageTool help users improve their writing beyond basic corrections?

LanguageTool utilizes an AI-powered checker to go beyond simple grammar and spelling errors. It suggests clearer phrasing and can detect tone inconsistencies, helping users refine their content for better impact. This allows writers to produce more polished emails or long-form articles.

Which teams would benefit most from using LanguageTool?

Teams focused on content creation, marketing, or any role requiring extensive written communication would benefit from LanguageTool. Its multi-language support and ability to catch style errors make it suitable for diverse writing needs. It helps ensure consistent quality across various written outputs.

How is LanguageTool's pricing structured?

LanguageTool offers a free tier for basic usage and features. For users requiring more extensive capabilities and higher usage limits, paid plans are available. This allows individuals and teams to choose a plan that fits their specific needs.

Can LanguageTool be integrated into existing workflows?

LanguageTool is available as a browser extension and a desktop app, allowing for integration into various writing environments. It also offers an API for more custom integration possibilities. This flexibility helps users incorporate it into their preferred writing tools.

What kind of limitations does LanguageTool have compared to other tools?

LanguageTool's AI features and style suggestions are considered basic compared to some competitors. Its integration options are also somewhat limited, and the premium version can be expensive. While effective, it may not offer the most advanced functionalities available.

How does LanguageTool compare to Grammarly?

LanguageTool is noted for being a good grammar checker with a focus on privacy and multi-language support, and it can be self-hosted. However, it is considered less advanced than Grammarly in terms of its AI features and overall capabilities. LanguageTool provides a solid option for users prioritizing privacy and multi-language support.

Source: languagetool.org

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