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Focus Lock — Free & Simple Site Blocker

Chrome extension by w3technic.ext · Productivity · Tools

A Chrome extension in Productivity · Tools with 20 users, barely installed. Audience over the last 30 days: +2.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 3 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
20
Rating
4.0 (1 ratings)
Users, last 30 days
+2
Rating, last 30 days
Steady over 30 days
Version
1.0.1
Updated in the store
2026-03-30
Published
2026-03-28
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
+2 since 14.10
16-28 · 14 readings
  1. 2026-10-1617
  2. 2026-10-1817
  3. 2026-10-1916
  4. 2026-10-2117
  5. 2026-10-2219
  6. 2026-10-2318
  7. 2026-10-2417
  8. 2026-10-2921
  9. 2026-11-0120
  10. 2026-11-0628
  11. 2026-11-0720
  12. 2026-11-0817
  13. 2026-11-1020
  14. 2026-11-1220
Rating
unchanged since 14.10
reviewsrating 4.00 · 14 readings
  1. 2026-10-16reviews1rating4.00
  2. 2026-10-18reviews1rating4.00
  3. 2026-10-19reviews1rating4.00
  4. 2026-10-21reviews1rating4.00
  5. 2026-10-22reviews1rating4.00
  6. 2026-10-23reviews1rating4.00
  7. 2026-10-24reviews1rating4.00
  8. 2026-10-29reviews1rating4.00
  9. 2026-11-01reviews1rating4.00
  10. 2026-11-06reviews1rating4.00
  11. 2026-11-07reviews1rating4.00
  12. 2026-11-08reviews1rating4.00
  13. 2026-11-10reviews1rating4.00
  14. 2026-11-12reviews1rating4.00
Users
+11 since 31.08
8-28 · 31 readings
  1. 2026-08-319
  2. 2026-09-0211
  3. 2026-09-058
  4. 2026-09-069
  5. 2026-09-078
  6. 2026-09-089
  7. 2026-09-108
  8. 2026-09-1510
  9. 2026-09-1713
  10. 2026-09-2019
  11. 2026-09-2118
  12. 2026-09-2517
  13. 2026-09-2816
  14. 2026-10-0419
  15. 2026-10-0818
  16. 2026-10-0917
  17. 2026-10-1118
  18. 2026-10-1617
  19. 2026-10-1817
  20. 2026-10-1916
  21. 2026-10-2117
  22. 2026-10-2219
  23. 2026-10-2318
  24. 2026-10-2417
  25. 2026-10-2921
  26. 2026-11-0120
  27. 2026-11-0628
  28. 2026-11-0720
  29. 2026-11-0817
  30. 2026-11-1020
  31. 2026-11-1220
Rating
unchanged since 31.08
reviewsrating 4.00 · 31 readings
  1. 2026-08-31reviews1rating4.00
  2. 2026-09-02reviews1rating4.00
  3. 2026-09-05reviews1rating4.00
  4. 2026-09-06reviews1rating4.00
  5. 2026-09-07reviews1rating4.00
  6. 2026-09-08reviews1rating4.00
  7. 2026-09-10reviews1rating4.00
  8. 2026-09-15reviews1rating4.00
  9. 2026-09-17reviews1rating4.00
  10. 2026-09-20reviews1rating4.00
  11. 2026-09-21reviews1rating4.00
  12. 2026-09-25reviews1rating4.00
  13. 2026-09-28reviews1rating4.00
  14. 2026-10-04reviews1rating4.00
  15. 2026-10-08reviews1rating4.00
  16. 2026-10-09reviews1rating4.00
  17. 2026-10-11reviews1rating4.00
  18. 2026-10-16reviews1rating4.00
  19. 2026-10-18reviews1rating4.00
  20. 2026-10-19reviews1rating4.00
  21. 2026-10-21reviews1rating4.00
  22. 2026-10-22reviews1rating4.00
  23. 2026-10-23reviews1rating4.00
  24. 2026-10-24reviews1rating4.00
  25. 2026-10-29reviews1rating4.00
  26. 2026-11-01reviews1rating4.00
  27. 2026-11-06reviews1rating4.00
  28. 2026-11-07reviews1rating4.00
  29. 2026-11-08reviews1rating4.00
  30. 2026-11-10reviews1rating4.00
  31. 2026-11-12reviews1rating4.00

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
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • See which of its blocking rules matched declarativeNetRequestFeedback
Show the remaining 4

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

w3technic.ext publishes 20 listings we track, 5k users between them.

  1. Simple Allow Copy w3technic.ext · Productivity · Tools · published 2026-03-25 4k users ★ 5.0
  2. Dark Mode - Free & Fast Auto Dark Theme w3technic.ext · Make Chrome Yours · Accessibility · published 2026-03-27 219 users ★ 5.0
  3. Tab Hibernator - Free & Fast Memory Saver w3technic.ext · Productivity · Tools · published 2026-04-01 83 users
Show 5 more from this publisher
  1. 2048 Game w3technic.ext · Lifestyle · Fun · published 2023-06-26 74 users ★ 5.0
  2. Tab Namer — Free & Simple Custom Tab Labels w3technic.ext · Productivity · Tools · published 2026-03-26 70 users
  3. Save Image As Type (Safe) w3technic.ext · Productivity · Tools · published 2026-03-31 60 users ★ 5.0
  4. Clean Link Free — Fast UTM & Tracker Remover w3technic.ext · Productivity · Tools · published 2026-04-01 53 users ★ 5.0
  5. Focus Timer - Free Pomodoro & Simple Productivity Bar w3technic.ext · Productivity · Workflow · published 2026-04-01 29 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Website Blocker Describes nearly the same job, smaller audience 8 users
  2. Focus Mode - Site Blocker Describes nearly the same job, smaller audience 6 users
  3. ShinyTimer website blocker Describes nearly the same job, smaller audience 7 users
  4. FocusShield - Productivity & Distraction Blocker Describes nearly the same job, smaller audience 3 users (last published figure)
  5. Site Blocker Describes nearly the same job, smaller audience 4 users ★ 5.0

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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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/lcheabpbjipfgmknjedagkfhcgfebhdi/badge.svg)](https://extops.dev/extensions/lcheabpbjipfgmknjedagkfhcgfebhdi)

HTML

<a href="https://extops.dev/extensions/lcheabpbjipfgmknjedagkfhcgfebhdi"><img src="https://extops.dev/extensions/lcheabpbjipfgmknjedagkfhcgfebhdi/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 2026-11-10. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built