LanguageTool — Multilingual Grammar & Style Checker
LanguageTool is a multilingual grammar and style checker for professionals and global businesses
LanguageTool is a multilingual grammar and spelling corrector that identifies linguistic errors in over 30 languages. Business owners and marketing teams use this tool to ensure professional communication across multiple global markets without requiring native-level fluency in every language. The platform utilizes advanced AI to detect complex grammatical issues, subtle punctuation errors, and stylistic inconsistencies that standard spellcheckers often miss. The service provides real-time corrections through browser extensions and dedicated desktop applications, allowing for consistent quality control across emails, documents, and social media. Using LanguageTool ensures that internal and external business documentation remains polished and credible. On surfai.app, we highlight how this tool integrates directly into existing workflows to reduce the time spent on manual proofreading tasks. Beyond basic corrections, the tool offers a rephrasing feature that helps users adjust the tone of their writing to suit different professional contexts. This allows teams to transform casual drafts into formal reports or persuasive marketing copy with a single click. The platform also includes a personal dictionary and style guide settings to maintain brand consistency across all company communications. LanguageTool offers a comprehensive free tier for basic grammar and spell checking, with professional premium plans available for advanced stylistic suggestions and higher character limits.
- Pricing: freemium
Specifications
| Pricing | freemium |
|---|---|
| Integrations | Google Docs, Microsoft Word, Gmail, Slack, Mozilla Firefox, Google Chrome |
| Best for | founders, marketers, content-creators, customer-support-teams |
| Website status checked | 2026-10-19T06:02:12.622+00:00 |
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