LanguageTool: Pricing, Plans & Features

Multilingual grammar and style checker for 30+ languages, with team style guides and open-source roots.

Overall Score63/100

3.3Editor Rating

Market Signal 70

#4 of 6 in Grammar Tools by Overall Score

What Is LanguageTool?

LanguageTool, owned by Learneo, checks grammar, spelling, punctuation and style in more than 30 languages and dialects, with deepest coverage of English, German, Spanish, French, Dutch and Portuguese. It runs as browser extensions, Microsoft Word and Google Docs add-ons, email client plugins and macOS and Windows apps. Teams can define a shared Style Guide and Team Dictionary, and the core engine is open source on GitHub.

Best for: European companies writing in several languages that want one checker with a shared style guide for all staff.

3.3

out of 5

Editor Rating

Calculated from facts we verified on LanguageTool's own website, using published thresholds. Nobody can pay to change it. Together with Market Signal it makes the Overall Score of 63 that orders our lists.

Pricing transparency1.5
Entry cost5.0
Free access5.0
Platforms & API5.0
Support2.0
IntegrationsNot scored
Security & compliance3.0

Dimensions without verified data count as a neutral 2.5. Facts checked October 13, 2026. How the rating works

Strong

Market Signal

Real data

Computed from Ahrefs + Semrush data about LanguageTool's own website. Not an assessment of the product itself. How this works →

Market Strength

Where it stands today

Momentum

58 Declining ↓↓

Where it’s heading

Data Confidence

Medium

How much to trust it

Traffic Strength
76
Search Visibility
81
Authority
75
Brand & Market Presence
51

Tick mark = category average.

Compared with 26 tracked Content Marketing tools. Data through September 2026, pulled October 13, 2026.

LanguageTool Features

Style Guide with custom team rules
Team Dictionary for industry terms
Paraphrasing in formal, fluent, simple or concise modes
Picky Mode for typography suggestions
Writing statistics dashboard
Open-source engine on GitHub

LanguageTool Pricing

Pricing changes over time. Check LanguageTool's website for current plans, limits and promotional offers.

LanguageTool Integrations

Google Docs, Microsoft Word, Gmail, Outlook, Apple Pages, LibreOffice, Thunderbird

Customer Support

Knowledge Base

LanguageTool at a Glance

Platforms: Web, Windows, macOS, iOS, Chrome Extension, API

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Frequently Asked Questions

Does LanguageTool have a free trial or free plan?⌄

Yes, LanguageTool offers a free plan. We haven't verified whether it also offers a free trial of paid tiers.

How much does LanguageTool cost?⌄

LanguageTool doesn't publish a starting price. Check its pricing page for current plans.

Last updated: October 13, 2026Details checked: October 13, 2026Pricing checked: October 12, 2026