Website Grammar Checker

by RoarDev · roardev.xyz · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Free offline grammar, spelling & punctuation checker for any website. 100% private, works on Gmail, Docs & more.

Users

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#175K

#147K among extensions

Version

1.0.1

updated 3 Feb 2026

Users

monthly, 9 months

Latest, 21 Oct 2026: 14 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months

Latest, 21 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Website Grammar Checker

Website Grammar Checker - Your Free, Private Writing Assistant Instantly check grammar, spelling, and punctuation errors on any website. Unlike other tools, this extension works completely offline and never sends your data anywhere - your writing stays 100% private. KEY FEATURES: Works Offline - No internet required after installation 100% Private - Your text never leaves your device Free Forever - No subscriptions, no premium tiers Works Everywhere - Gmail, Google Docs, social media, forms, and any website HOW IT WORKS: Click the extension icon and enable the checker Browse any website - errors are automatically highlighted Click on highlighted text to see suggestions Apply fixes with one click WHAT IT CATCHES: Spelling mistakes Grammar errors Punctuation issues Repeated words Common writing mistakes PRIVACY FIRST: We built this extension with privacy as the top priority. All processing happens locally on your device using advanced WebAssembly technology. No accounts, no tracking, no data collection - ever. Perfect for: Writing emails Social media posts Online forms Blog comments Any web-based writing