AI Grammar Checker
Check your writing for grammar, spelling, and punctuation errors. Get instant corrections and suggestions. Free, no sign‑up, and private.
What is an AI Grammar Checker?
An AI Grammar Checker scans your text for grammar, spelling, punctuation, and style errors, then suggests corrections. This free online tool uses the LanguageTool API – an advanced neural network – to give you professional proofreading instantly. Whether you're writing an email, essay, or social media post, the AI grammar checker helps you produce clear, error‑free writing without any sign‑up or downloads.
How to Check Grammar Online Free
- Select your language from the dropdown.
- Paste or type your text into the box.
- Click "Check Grammar" – the AI will analyze your text in seconds.
- View the corrected version with errors highlighted.
- Review suggestions and apply them or copy the fixed text.
Why Use This Free Grammar Checker?
- 100% free: No sign‑up, no credits, no word limits.
- AI‑powered: Uses LanguageTool's neural engine for accurate suggestions.
- Multi‑language: Supports English, Spanish, French, German, and more.
- Privacy first: Text is sent to the API for processing but not stored.
- Detailed feedback: See every error highlighted with replacement options.
- Mobile friendly: Works perfectly on phones and tablets.
Frequently Asked Questions
It sends your text to the LanguageTool API, an open‑source grammar engine that detects grammar, spelling, punctuation, and style issues. The text is then displayed with errors highlighted and suggestions provided.
Yes, completely free. No sign‑up, no credits, no word limits. Unlimited checks.
Your text is sent to the LanguageTool API for processing, but it is not stored on our servers. For maximum privacy, avoid including sensitive personal information.
The free API supports English (US, UK, etc.), Spanish, French, German, and many more. You can select the language before checking.
No, it checks grammar, punctuation, style, and even offers suggestions for more natural phrasing.
Yes, the tool is fully responsive and works on smartphones and tablets.
This Nyxbo AI Grammar Checker is one of the best – it's free, private, and uses the trusted LanguageTool engine to give you high‑quality corrections.
Yes, but very long texts (over 5000 characters) may be trimmed. For longer documents, check them in sections.
Yes, LanguageTool uses neural networks and rule‑based algorithms for state‑of‑the‑art grammar detection.
Absolutely. It's great for emails, essays, articles, social media posts, and any professional content.