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LanguageTool

● Identity checked

Writing · Vendor site 2026-10-04

LanguageTool is a multilingual grammar, style, and paraphrasing assistant with browser add-ons and office plugins. Premium adds advanced checks, higher character limits, and AI paraphrasing beyond the free editor.

Updated 2026-10-04View sources
Official website
Category
Writing
Free access
Free grammar checker and editor with basic checks in many languages
API access
Proofreading API offered for business integrations separately from consumer Premium

Is LanguageTool right for you?

A good fit for

Writers and teams polishing emails, docs, and long-form text across German, English, Spanish, and other supported languages.

Before you choose

enhanced checks and paraphrasing require Premium.

Overview

LanguageTool helps people write clearly with AI-assisted grammar, punctuation, and paraphrasing tools embedded where they already compose text.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
LanguagesChecks grammar and style in more than 30 languages.Facts sourced2026-10-04
ParaphrasingPremium advertises AI-powered sentence paraphrasing controls.Facts sourced2026-10-04
IntegrationsProvides browser, email, and office plugins plus desktop apps.Facts sourced2026-10-04

Understand the total cost

LanguageTool pricing & plans

Free

Free

Free grammar checker and editor with basic checks in many languages

Access
Free grammar checker and editor with basic checks in many languages
Explore pricing & history

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The practical questions

Frequently asked questions

What is LanguageTool used for?

LanguageTool is a multilingual grammar, style, and paraphrasing assistant with browser add-ons and office plugins. Premium adds advanced checks, higher character limits, and AI paraphrasing beyond the free editor.

Does LanguageTool have a free plan?

Free grammar checker and editor with basic checks in many languages. This record lists ongoing free access; check the plan limits before starting.

How much does LanguageTool cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use LanguageTool through an API?

Proofreading API offered for business integrations separately from consumer Premium. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

enhanced checks and paraphrasing require Premium.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.