AI Grammar Checker

Fix grammar, spelling and punctuation mistakes in English, French, German, Spanish and more.

Output

Your text

Output

AI can make mistakes: check important facts. Need more? Pro is coming.

How to use the AI Grammar Checker

Type or paste your text in the box.
Adjust the options (output) to fit your needs.
Click "Generate" and wait a few seconds while the AI writes.
Review the result, then copy it. Click Generate again for a different version.

About this tool

Fix grammar, spelling and punctuation mistakes in English, French, German, Spanish and more. It is part of the free AI Tools collection on Online Tools Harbor.

Frequently asked questions

Is the AI Grammar Checker free?

Yes. The AI Grammar Checker is completely free to use, with no sign-up and no limits on normal use.

Is my text stored?

Your text or image is sent securely to the AI model to generate the answer and is not stored by us or used to train models. Avoid pasting passwords or sensitive personal data.

Which AI model is used?

A modern open-weight large language model running on Cloudflare Workers AI. Results can contain mistakes, so review them before use.

Does it work on mobile?

Yes, it works in any modern browser on phones, tablets and computers. No app to install.

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