Stay locked in to a particular tab, set limits on how many tabs you can have open, ban sites.
Users
7
−3 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#219K
#184K among extensions
Version
1.6
updated 22 Mar 2026
Users
monthly, 15 months
Latest, 17 Oct 2026:7 usersMove the mouse over the chart for any month
Ratings count
monthly, 15 months
Latest, 17 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 Lockin
Feature: Lock a Tab in a Window
Usage: Alt + Shift + L or click the pinned extension.
Change shortcut @ chrome://extensions/shortcuts.
When the lock icon is green, nothing is locked.
When the lock icon is orange, you are locking some tab in some window.
Feature: Tab Limit
Set a total tab limit, if you try to exceed it, the newest tab will close.
Set by clicking on the extension pin.
Feature: Site Bans
Removes any tabs which load a URL containing a substring you banned.
Set/Remove by clicking on the extension pin.
More info: https://aadi.au/projects#chromeExt
This extension is open source, contribute @ https://github.com/aadidapurkar/lockin