Grammar Forge

Private spelling and grammar suggestions with clear explanations.

🔒 Completely private: your writing is checked on this device and is never sent to MigaBuilder or another service.

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Highlighted preview

Your checked text will appear here.

Your browser may underline additional uncommon spelling errors. Grammar Forge shows its own actionable suggestions in the panel beside the text.

Suggestions

Write or paste some text, then select “Check writing”.

About Grammar Forge

Grammar Forge checks spelling and grammar in English, Swedish, German, French, Spanish, Portuguese, Arabic, Chinese and Kiswahili, with an explanation for each suggestion.

How to use Grammar Forge

  1. Choose a language and paste or type the writing you want to improve.
  2. Press “Check writing”.
  3. Review each explanation, accept the useful fixes, and copy the corrected text.

Which languages does it check?

English, Swedish, German, French, Spanish, Portuguese, Arabic, Chinese and Kiswahili.

Is Grammar Forge free?

Yes. It is free to use, with no account, no watermark and no paywall.

Are my files uploaded?

No. It runs entirely in your browser, so your files and text stay on your device.

Related tools: Text Compare · Voice Forge