GrammarPeace - AI Grammar Checker

Free AI-powered grammar checker & translator. Grammarly alternative with Claude & OpenAI. 15+ languages, instant corrections.

As of June 2026, GrammarPeace - AI Grammar Checker has 32 users and a 5.00/5 rating from 5 reviews in the Communication category.

Usersup 166.7 percent+166.7%
32
32
Ratingno change0%
5.00
5 reviews
Reviewsno change0%
5
Version
1.2.0
Manifest V3

History

9 snapshots

Tracking since Apr 3, 2026.

33.62210.399999999999999Apr 3, 2026Jun 6, 2026
View as table
DateUsersRatingReviewsVersion
Apr 3, 2026125.0051.2.0
Apr 17, 2026135.0051.2.0
Apr 24, 2026155.0051.2.0
May 2, 2026195.0051.2.0
May 8, 2026205.0051.2.0
May 13, 2026215.0051.2.0
May 19, 2026235.0051.2.0
May 28, 2026265.0051.2.0
Jun 6, 2026295.0051.2.0
Now325.0051.2.0

Permissions & access

Permissions
storageactiveTabcontextMenusalarms
Host access
https://*/*

Screenshots

GrammarPeace - AI Grammar Checker screenshot 1GrammarPeace - AI Grammar Checker screenshot 2GrammarPeace - AI Grammar Checker screenshot 3GrammarPeace - AI Grammar Checker screenshot 4GrammarPeace - AI Grammar Checker screenshot 5

About

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.

Technical

Version
1.2.0
Manifest
V3
Size
54.2KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
llbcjpcjioapecjbkibpacpjhfjknhgh
Developer ID
u1b7a15a4f277b40018e9089b7292265b
Developer Email
[email protected]
Created
Jan 28, 2026
Last Updated (Store)
Feb 17, 2026
Last Scraped
Jun 6, 2026
Website
grammarpeace.com

Similar extensions

Alternatives to GrammarPeace - AI Grammar Checker, ranked by description similarity.

Data sourced from the Chrome Web Store · last verified Jun 6, 2026.