Tab Blocker

by huaiyang857@gmail.com · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Lock tabs to prevent accidental closure and cross-domain navigation. Right-click any tab to lock or unlock it.

Users

+6 in 30 days

Rating

3.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#187K

#157K among extensions

Version

1.0.0

updated 29 Jul 2026

Users

monthly, 3 months

Latest, 21 Oct 2026: 12 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 21 Oct 2026: 1 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 Tab Blocker

Tab Blocker helps you prevent accidental tab closures and unwanted navigation away from important pages. Key Features: • Lock any tab with a single right-click • Prevents accidental closure via the close button (×) or keyboard shortcuts • Blocks cross-domain navigation when a tab is locked • Visual indicators show which tabs are locked • Easy to unlock with another right-click Perfect for: • Filling out long forms • Reading important articles • Monitoring dashboards • Any situation where you don't want to lose your tab Lightweight and privacy-friendly – no data collection, no unnecessary permissions.