The LanguageTool homepage
Score9.4
Rank#1 of 88
PriceFree
Free planYes
Runs onBrowser extension, iOS, macOS, Windows

Summary

LanguageTool is a writing assistant for checking grammar, spelling, punctuation, casing, and style across 31 languages. It also offers tone detection, writing statistics, and paraphrasing, with options to make sentences more formal, fluent, simple, or concise. The free version covers spelling, basic punctuation, and some style issues, with a limit of 2,000 characters per text field; Premium supports up to 150,000 characters per field. LanguageTool is available as a browser extension and as Windows, macOS, and iOS apps. It works with common browsers and word processors, including Google Docs, Microsoft Word, Apple Pages, and LibreOffice. Email add-ons are available for Gmail, Outlook, Apple Mail, and Thunderbird. Text written using the browser add-on is usually not saved, while text in the editor is stored and accessible from all devices. Teams can manage invited users and share style guides and dictionaries. Premium is available monthly, quarterly, annually, or every two years; plan prices are not listed.

Who it is for

LanguageTool suits people who want writing checks across multiple languages and apps. Teams may value shared style guides and dictionaries; users editing longer text should note the free field limit.

What is good

  • Checks writing across 31 languages
  • Offers paraphrasing and tone detection
  • Integrates with major word processors
  • Team plans include shared style guides and dictionaries

What to know first

  • Free version is limited to 2,000 characters per field
  • Premium plan prices are not listed
  • Editor text is saved and accessible across devices

Everything Xiaomi review

LanguageTool: the full review

LanguageTool provides checks and rewriting options across browser, desktop, mobile, office, and email tools. Compare the free text limit with Premium’s 150,000-character field allowance before choosing a plan.

Overview

LanguageTool is a multilingual writing assistant for people who want corrections across their browser, office documents, email, and dedicated apps. It suits individuals and teams who need more than spelling checks, though the free tier is best for short, basic corrections.

Its range of integrations and paraphrasing modes make it a capable everyday editor; the trade-off is that meaningful use on longer texts requires Premium, whose pricing is custom rather than stated here.

Key features

Corrections and rewriting

LanguageTool supports 31 languages and covers grammar, spelling, punctuation, casing, style, paraphrasing, and writing statistics. Tone detection and style suggestions help users look beyond basic errors, while the paraphraser can make sentences more formal, fluent, simple, or concise. Those options suit writers refining drafts, but the free plan only covers spelling, simple punctuation, and some style mistakes.

The Basic plan's 2,000-character field limit is restrictive for full-length documents. Premium raises that ceiling to 150,000 characters per text field, a substantial upgrade for long drafts; the stated monthly word limit is 150,000 words.

Editing across devices and teams

Browser add-on text is usually not saved, while text entered in the editor is saved and accessible from all devices. That distinction favors the editor for work you need to return to, and the add-on for text you do not want retained there. Office integrations cover Google Docs, Microsoft Word, Apple Pages, and LibreOffice; email add-ons cover Gmail, Outlook, Apple Mail, and Thunderbird.

Teams can invite and manage users by email, and share style guides and dictionaries. Business solutions are described as GDPR-conform and support a consistent brand voice, making the team offering more relevant to organizations than to solo writers.

Pricing

LanguageTool is freemium. The free plan is useful for basic checks, but it does not match Premium's broader writing coverage or 150,000-character field allowance. Basic has a 2,000-character limit per field. Premium is offered monthly, quarterly, annually, or every two years, with each option supporting 150,000 characters per field; the listed plans have custom pricing. Premium includes a 14-day money-back guarantee, with cancellation and refund without questions.

The Team plan supports 20 users and the same 150,000-character field limit, also at custom pricing. It is the sensible fit when shared terminology and brand voice matter across a group; individuals do not need its team administration. Support is available, including for business VAT invoice questions.

Platforms

LanguageTool has browser extensions, desktop apps for Windows and macOS, and an iOS app. Its browser, office, and email integrations let users apply checks in common writing environments rather than relying only on a standalone editor.

Who it's for

Choose LanguageTool if you write across several apps or languages and want correction, style guidance, and sentence-level rewriting in one service. It is also a strong fit for teams that need shared dictionaries and style guides. It is less compelling for anyone who only needs occasional basic proofreading, or who requires a published Premium price before committing.

Pros and cons

  • Pros: Support for 31 languages and integrations across major office and email tools make it useful in varied writing workflows.
  • Pros: Premium's 150,000-character field allowance accommodates long texts, while paraphrasing offers four distinct rewrite directions.
  • Pros: Team dictionaries, style guides, and brand voice controls address consistency across group writing.
  • Cons: The free plan is limited to spelling, simple punctuation, and some style mistakes, and Basic's field limit is only 2,000 characters.
  • Cons: Premium and Team pricing is custom, so shoppers cannot compare a stated price against their expected use.

Alternatives

For other options, browse Grammar checkers, AI writing assistants, or AI Grammar Checkers.

  • Ginger is another freemium choice, with a $13.00 USD per month Premium plan and platforms including Android, iOS, desktop, browser extension, and web.
  • Grammarly is another freemium option, with a free plan and a Pro plan at $12.00 USD per month.
  • Trinka is a freemium alternative with browser, desktop, web, API, and self-hosted platforms.
  • Scribens offers a freemium plan and Premium monthly for 9.90 EUR per month, with mobile and desktop Premium features.
  • Sapling has a free plan and a free trial, with API, extension, self-hosted, web, and Windows support.
  • Wordvice AI has a free Basic plan with 5,000 words per month and 500 words per submission, plus a Premium plan at 9.95 USD per month.
  • ProWritingAid offers a free plan and a browser extension.
  • Microsoft Editor offers Microsoft 365 Personal and Family plans at custom pricing.

Verdict

LanguageTool is a strong choice for multilingual writers who want corrections, rewriting, and broad app integrations, or teams that need consistent terminology and voice. Its clearest advantage is the combination of 31-language support and a 150,000-character Premium field limit. Look elsewhere if transparent paid pricing or a genuinely full-featured free tier is essential.

LanguageTool plans and pricing

All plans
Basic Not published 2,000 characters per text field languagetool.org · 22 Sept 2026
Basic Not published 2,000 characters per text field languagetool.org · 22 Sept 2026
Premium Monthly Not published 150,000 characters per text field help.languagetool.org · 22 Sept 2026
Premium Monthly Not published 150,000 characters per text field help.languagetool.org · 22 Sept 2026
Premium Quarterly Not published 150,000 characters per text field help.languagetool.org · 22 Sept 2026
Premium Quarterly Not published 150,000 characters per text field help.languagetool.org · 22 Sept 2026

Compared on grammar checkers

Free plan
Yeslanguagetool.org
Browser extension
Yeslanguagetool.org
Desktop app
Yeslanguagetool.org

Facts

Mobile app
Yeshelp.languagetool.org · 22 Sept 2026
Style suggestions
Yeshelp.languagetool.org · 22 Sept 2026
Tone detection
Yeshelp.languagetool.org · 22 Sept 2026
Languages supported
31help.languagetool.org · 22 Sept 2026
Billing options
Individual Premium is available monthly, quarterly, annually, or every two years.help.languagetool.org · 27 Sept 2026
Free tier limits
The free version covers spelling, simple punctuation, and some style mistakes.languagetool.org · 27 Sept 2026
Premium text limit
Premium supports up to 150,000 characters per text field.languagetool.org · 27 Sept 2026
Refund guarantee
Premium has a 14-day money-back guarantee with cancellation and refund without questions.languagetool.org · 27 Sept 2026
Supported platforms
It works in common browsers and word processors, plus Windows, macOS, and iOS apps.languagetool.org · 27 Sept 2026
Browser privacy
Texts written using the browser add-on are usually not saved.languagetool.org · 27 Sept 2026
Editor storage
Texts in the editor are saved and accessible from all devices.languagetool.org · 27 Sept 2026
GDPR solutions
Business solutions are described as GDPR-conform and support consistent brand voice.languagetool.org · 27 Sept 2026
Office integrations
Integrations include Google Docs, Microsoft Word, Apple Pages, and LibreOffice.languagetool.org · 27 Sept 2026
Email integrations
Email add-ons are available for Gmail, Outlook, Apple Mail, and Thunderbird.languagetool.org · 27 Sept 2026
Team administration
Teams can invite users by email and manage them.languagetool.org · 27 Sept 2026
Team style controls
Teams get shared style guides and dictionaries for consistent wording and terminology.languagetool.org · 27 Sept 2026
Writing features
Features include grammar, spelling, punctuation, casing, style, paraphrasing, and statistics.languagetool.org · 27 Sept 2026
Paraphrasing modes
The paraphraser can make sentences more formal, fluent, simple, or concise.languagetool.org · 27 Sept 2026
Organization trust
The site says more than 2,000 organizations trust its AI-based writing tools.languagetool.org · 27 Sept 2026
Company locations
The footer says LanguageTool is made in Europe and the US.languagetool.org · 27 Sept 2026
Support contact
Customers can reach support, including for business VAT invoice questions.languagetool.org · 27 Sept 2026

Company

Founded
2003languagetool.org · 23 Sept 2026
Headquarters
San Francisco, California, United Stateslanguagetool.org · 23 Sept 2026

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