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LanguageTool

Multilingual grammar, style, and spell checker that proofreads text in browsers, office apps, and via API.

WritingProductivity

How it works / How to use

Multilingual grammar, style, and spell checker that proofreads text in browsers, office apps, and via API.

  1. Open LanguageTool and select the content type or template closest to your deliverable.
  2. Supply brand voice, audience, offer, and factual product details—do not invent claims.
  3. Generate a draft, then edit sections that need your verified facts.
  4. Run any built-in plagiarism or tone checks before publishing.

How to prompt

LanguageTool catches grammar and style problems across many supported languages.

Check this English marketing paragraph for grammar and style issues, then suggest a cleaner version:

[Paste copy]

Best output tips

  • Give verified product facts; do not ask the tool to invent pricing.
  • Provide examples of on-brand copy you already published.
  • Edit claims that require legal or medical review.
  • Verify current plans and limits on the official LanguageTool website.

Try this AI

Try LanguageTool

Product Details

Pricing, features, limits and latest updates

LanguageTool

Multilingual grammar, style, and spell checker that proofreads text in browsers, office apps, and via API.

No listed price

Pricing Plans

No listed plans.

Key Features

API

api workflow (languagetool.org).

Ideas / Prompt experiences

Share a prompt that worked for you. Username and email are shown with your submission. External links are not allowed.

Example prompt

Proofread multilingual copy

Prompt

Check this English marketing paragraph for grammar and style issues, then suggest a cleaner version: [Paste copy]

Short explanation

LanguageTool catches grammar and style problems across many supported languages.

Example prompt

Consistent brand tone

Prompt

Review this product description and flag passive voice, jargon, and inconsistent capitalization: [Paste description]

Short explanation

Style rules help teams keep published copy consistent.

Share your experience

Required fields are marked. Variation, result, and explanation are optional.

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