- Grammar and style check: Get suggestions that enrich your text grammatically and stylistically
- Commas: LanguageTool reliably finds missing commas and helps to avoid misunderstandings
- Multilingual: Check texts in a variety of languages, including English, German, Spanish, Portuguese, and Dutch
- Language variants: LanguageTool distinguishes between common language variants, such as American English and British English, and provides customized suggestions
- Synonyms: Get synonym suggestions for commonly used words to add variety to your word choice
- Picky mode: Get even more suggestions to help you reliably check your texts for inappropriate phrases or colloquialisms
- Salutations and names: Detect misspelled names and salutations in emails before you send them out
- Number formats: Recognition and correction of common number formats such as IBAN or ISBN
- Mobile App: Use the LanguageTool mobile app to check your writing on the go. It provides a distraction-free writing environment, saves texts and notes for later, and allows you to start checking texts directly from your home screen. You can also open texts from many apps directly in LanguageTool Editor and share them as you please.
- Keyboard: Check your writing in any of your favorite apps by using the system-wide LanguageTool-Keyboard. Get useful spelling, grammar, and style suggestions and correct potential mistakes with just a touch. For basic checking, no account is required.
- iMessage Stickers: Use the fun LanguageTool Sticker pack for iMessage to emphasize perfect grammar and style in all your conversations.
- Privacy: Texts are sent to https://languagetool.org for correction via an encrypted connection. No account is required to use the Safari extension. LanguageTool does not store your IP address. See https://languagetool.org/privacy for the privacy policy and https://languagetool.org/legal/terms for the terms of use.
- Supported languages: English (Australia, Canada, United Kingdom, New Zealand, South Africa, USA), French, German (Austria, Germany, Switzerland), Asturian, Belarusian, Breton, Catalan (also Valencian), Chinese, Danish, Dutch, Esperanto, Galician, Greek, Italian, Japanese, Khmer, Persian, Polish, Portuguese (Brazil, Portugal, Angola, Mozambique), Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Tagalog, Tamil, Ukrainian, Arabic.