AI Grammar Fixer & Text Rewriter
Fix grammar · Make formal · Make casual · Simplify · Expand — powered by AI, free, no sign-up.
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Frequently Asked Questions
- Is this grammar checker free?
- Yes, 100% free. No account, no limits, no sign-up required.
- How is this different from Grammarly?
- This tool runs on a large language model (AI) rather than rule-based grammar checks, so it understands context better — it won't flag intentional stylistic choices. It also rewrites tone (formal/casual) and length, which Grammarly doesn't.
- Does my text get stored or logged?
- No. Text is sent to Cloudflare's AI service only to process your request and is not stored or logged. Nothing is saved on our servers.
- What does 'Show what changed' do?
- In Fix Grammar mode, it highlights exactly which words were added (green) or removed (red) so you can see every correction at a glance.
- Why is there a 2,000 character limit?
- The AI model works best on focused chunks of text. For longer documents, paste one paragraph or section at a time for the best results.
- Does it work on mobile?
- Yes, works on all modern browsers including mobile Safari and Chrome on iOS and Android.