Lock In Mode – Site Blocker & Focus Timer
Chrome extension by powo studios · Productivity · Tools
A Chrome extension in Productivity · Tools with 12 users, barely installed. Audience over the last 30 days: +1.
Every site you visit. This extension can read and change the content of any page you open.
What the developer says, and 1 screenshot
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 12
- Users, last 30 days
- +1
- Version
- 1.0.0
- Updated in the store
- 2026-04-13
- Published
- 2026-04-13
- Manifest
- V3
- Browser access
- 5 permissions, 1 site pattern
How it has moved
- 2026-10-0410
- 2026-10-0811
- 2026-10-0913
- 2026-10-1012
- 2026-10-1610
- 2026-10-189
- 2026-10-1911
- 2026-10-2112
- 2026-10-2211
- 2026-10-2313
- 2026-10-2412
- 2026-10-2711
- 2026-10-2912
- 2026-11-0112
- 2026-08-317
- 2026-09-057
- 2026-09-076
- 2026-09-097
- 2026-09-158
- 2026-09-177
- 2026-09-218
- 2026-09-259
- 2026-09-2712
- 2026-09-2811
- 2026-10-0410
- 2026-10-0811
- 2026-10-0913
- 2026-10-1012
- 2026-10-1610
- 2026-10-189
- 2026-10-1911
- 2026-10-2112
- 2026-10-2211
- 2026-10-2313
- 2026-10-2412
- 2026-10-2711
- 2026-10-2912
- 2026-11-0112
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
Every site you visit. This extension can read and change the content of any page you open.
-
See the address and title of every tab you have open
tabs -
Run its own code on the pages it can access
scripting -
See when you navigate between pages
webNavigation
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
powo studios publishes 2 listings we track, 17 users between them.
-
Dealio 5 users (last published figure)
Like this one
Listings the catalog judges closest in what they say they do.
-
FocusLock — Website Blocker & Focus Timer 3 users
-
Focus Tracker - Website Blocker and Focus Timer 3 users (last published figure)
-
LockIn - Website Blocker for Focus & Productivity 35 users
-
Focus Mode – Website Blocker 6 users (last published figure)
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StayFocusd – Website Blocker & Focus Timer & Shorts Blocker 700k users
The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
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Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
Add a badge to your README or site
The badge shows the audience and rating from our last pass over the store and links back to this page.
[](https://extops.dev/extensions/mmnlemdgflbcbigpfkaclfdpkgeemclb)<a href="https://extops.dev/extensions/mmnlemdgflbcbigpfkaclfdpkgeemclb"><img src="https://extops.dev/extensions/mmnlemdgflbcbigpfkaclfdpkgeemclb/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.