LanguageTool - Grammar Checker

LanguageTool is your intelligent writing assistant for all common browsers, word processors, Windows, macOS and iOS.
Using state-of-the-art technology, LanguageTool finds more errors than comparable spell checkers and additionally enriches your texts with helpful grammar and style suggestions for more than 20 languages.
The importance of written communication is increasing, especially in times when working from home is more in demand. Ensure that your writing is proficient and professional at all times by using LanguageTool to prevent embarrassing spelling mistakes and to avoid colloquial phrases.
Studies have shown that impeccable grammar and sophisticated language use have a positive impact on your professional career. Don't ruin opportunities by making annoying typos.
- 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. Whether you're writing a brief message to your friends, engaging on social media, or replying to an important business email. LanguageTool is your personal writing assistant, helping you to write clearer, better texts in more than 20 languages.
- Distraction-free writing environment for concentrated writing
- Save texts and notes for later
- Start checking texts directly from your home screen
- 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
- Correct potential mistakes with just a touch
- For basic checking, no account is required
## iMessage Stickers
Be picky in all your conversations and use the fun LanguageTool Sticker pack for iMessage to emphasize perfect grammar and style.
## Privacy
Your privacy is important to us: by default, texts are sent to https://languagetool.org for correction via an encrypted connection. No account is required to use the Safari extension. We do not store your IP address. See https://languagetool.org/privacy for our privacy policy and https://languagetool.org/legal/terms for our terms of use.
Please send bug reports or questions to https://forum.languagetool.org/.
## 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