Fix grammar without bloat, and distractive features.
100 free suggestions/month • No credit card required
I recievedreceived your email and wanted to followupfollow up on our conversation.
The report was written by me → I wrote the report(more direct)
Fine-tuned for grammar and style.
Catch every typo, grammatical error, and spelling mistake with AI that understands context.
Get recommendations for clearer, more concise writing that matches your intended tone.
Get corrections in under 2 seconds. No waiting, no page refreshes—just immediate feedback.
Understands emails, academic writing, social posts, and business documents differently.
Premium feature: Get full sentence and paragraph rewrites for better clarity and impact.
Works everywhere you write—Gmail, Docs, social media, and any text field on the web.
Start free, upgrade when you need more.
Perfect for casual writers
For writers who need more
GrammarOK uses GPT-4o, the latest AI model from OpenAI, to analyze your text and provide context-aware corrections. Unlike rule-based checkers, it understands the meaning and intent behind your writing.
Each individual correction or improvement counts as one suggestion. For example, if you submit text with 3 spelling errors and 2 style suggestions, that's 5 suggestions total. We don't count API calls—only actual helpful feedback.
Yes! Our free tier includes 100 suggestions per month. That's enough for casual users who write a few emails and documents. You can upgrade to Premium anytime for unlimited suggestions.
Premium includes unlimited suggestions, access to AI rewrites (full sentence/paragraph improvements), priority processing, and higher rate limits for power users.
No. Your text is processed in real-time and never stored on our servers. We also don't use your text to train AI models. Your privacy is paramount.
Absolutely. You can cancel your Premium subscription at any time from your dashboard. You'll continue to have access until the end of your billing period.
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