Open Grammar Checker icon

Open Grammar Checker

AI-powered grammar checker with privacy-first design. Polish your writing instantly using your own OpenRouter API key.

Users0
Rating5.0
Reviews1
Manifest versionV3
7-day growth-1
7-day growth rate-100%
Preview

Open Grammar Checker Media preview

3 assets
Trend

30-day user trend

Review user movement over the last 30 days.

User Growth Over Time

001112026年5月30日2026年6月2日2026年6月5日Latest: 0
Rating trend

30-day rating change

Track rating movement over time to see whether quality signals remain stable.

30-day rating change

Start
5.00
Latest
5.00
30-day rating change
0.00
4.904.955.005.055.102026年5月30日2026年6月2日2026年6月5日Latest: 5.00
2026年5月30日2026年6月5日
Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthFlat
0--
7-day growthDeclining
-1-100%
30-day growthDeclining
-1-100%
Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version0.1.0 (Security Hardening Update)
ManifestV3
Size100KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

Review the store description, core capabilities, and common use cases.

✨ FREE AI GRAMMAR CHECKER

Fix grammar, improve clarity, and polish your writing using powerful AI models — completely FREE.

Open Grammar Checker connects to OpenRouter, giving you access to FREE AI models like Llama 3, Gemini Flash, Mistral, and more. No subscriptions. No hidden fees. No limits imposed by us.

🆓 WHY IT'S FREE

OpenRouter offers many models with FREE tiers:

• Llama 3.3 70B — Free

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

The Chrome Web Store shows 1 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5
0
4
0
3
0
2
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1
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