Overview
Free AI-powered grammar checker & translator. Grammarly alternative with Claude & OpenAI. 15+ languages, instant corrections.
🌟 GrammarPeace - Free Open Source Grammar Checker (Grammarly Alternative) Stop paying $15/month for Grammarly. GrammarPeace gives you the same features—grammar checking, tone rewriting, and translation—powered by Claude & OpenAI. Free and open source. ✨ WHY GrammarPeace? • $0 vs $180/year - Use your own API key, pay pennies per month • Better AI - Powered by Claude & OpenAI, not outdated proprietary models • No data harvesting - Your writing stays yours. Period. • 100% open source - See exactly what the code does on GitHub 📝 FEATURES ✓ Grammar Check - Fix spelling, grammar, and punctuation instantly ✓ Multilingual - Check grammar in 15+ languages, not just English ✓ Improve Text - Make your writing clearer without changing your voice ✓ Tone Rewriting - Professional, Casual, Friendly, Formal, or Concise ✓ Translation - Translate between 15+ languages instantly ✓ Works Almost Everywhere - Gmail, Slack, Twitter, LinkedIn, any website 🌍 SUPPORTED LANGUAGES English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Chinese, Arabic, Hindi, Turkish, Dutch, Polish ⚡ HOW IT WORKS Select text on any webpage Click the ✌️ button Choose Check, Improve, or Translate One click to apply 🔒 PRIVACY • API keys stored locally on your device • No accounts, no tracking, no data collection • Open source - verify yourself on GitHub 💰 REAL COST Heavy user (100 checks/day): • Grammarly: $180/year • GrammarPeace + Claude: ~$11/year • GrammarPeace + OpenAI: ~$1/year Get started in 30 seconds - Install, add your API key, done. ✌️
Details
- Version1.1.1
- UpdatedFebruary 4, 2026
- Size61.73KiB
- LanguagesEnglish
- Developer
- Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site