據 AlphaMoat 統計,截至 2026-09,Chrome 外掛 GrammarPeace 使用者數為 65,環比 -5.8%,評分 5(5 人評價),在全部 9,324 款 AI 瀏覽器外掛中排名第 4,951 位,在「內容寫作」分類(744 款)中排名第 368 位。
Free AI-powered grammar checker & translator. Grammarly alternative with Claude & OpenAI. 15+ languages, instant corrections. GrammarPeace -- Free Open Source Grammar Checker (Grammarly Alternative)
Why pay $15/month for Grammarly? GrammarPeace does the same thing -- grammar checking, tone rewriting, and translation -- powered by AI models like Claude, GPT, and Llama. Completely free to use. Fully open source.
✨ Why people switch to GrammarPeace
💰 It's free. Use OpenRouter or Groq at no cost, no credit card needed. Or bring your own API key for pennies a month. 🤖 Pick your AI. Works with Claude, OpenAI, Groq, Cerebras, Ollama, or any OpenAI-compatible provider. 🔒 Your writing stays private. No accounts, no tracking, no data collection. API keys are stored locally on your device. 📖 Fully open source. Every line of code is on GitHub. See exactly what it does.
🛠️ What it does
✅ Check grammar -- Fix spelling, grammar, and punctuation instantly ✍️ Improve your writing -- Make text clearer without changing your voice 🎭 Rewrite by tone -- Switch between Professional, Casual, Friendly, Formal, or Concise 🌍 Translate -- Convert between 15+ languages in one click 💬 Works in 15+ languages -- Not just English 🌐 Works almost everywhere -- Gmail, Slack, Twitter, LinkedIn, and any website
⚡ How it works
1️⃣ Select any text on a webpage 2️⃣ Click the peace sign button 3️⃣ Pick Check, Improve, or Translate 4️⃣ One click to apply
🔌 Supported AI providers
☁️ OpenRouter (free, no credit card needed) ⚡ Groq (free, ultra-fast Llama models) 🚀 Cerebras (free, lightning-fast inference) 🧠 OpenAI (GPT models) 🟠 Anthropic Claude (Haiku 4.5) 💻 Ollama (run locally, 100% offline) 🔧 Any OpenAI-compatible API
🌎 Supported languages
English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Chinese, Arabic, Hindi, Turkish, Dutch, Polish
💸 What it actually costs (heavy user, 100 checks/day)
❌ Grammarly: $180/year ✅ GrammarPeace + OpenRouter or Groq: $0/year ✅ GrammarPeace + OpenAI: ~$1/year ✅ GrammarPeace + Claude: ~$11/year
🚀 Get started in 30 seconds. Install the extension, choose a free provider (or add your API key), and you're done.
Grammarly for Chrome helps you write with confidence. Get AI support for grammar, clarity, and tone, from first draft to final edit.
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+ 對比資料月份:2026-09 · 使用者數與評分來自 Chrome 應用商店公開資料,按月聚合更新。口徑說明見資料方法。