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Chrome extension by Jack · Productivity · Tools

  • Established publisher
  • Trader

A Chrome extension in Productivity · Tools with 82 users, barely installed. Audience over the last 30 days: unchanged.

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

What the developer says, and 2 screenshots

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

Users
82
Rating
5.0 (1 ratings)
Users, last 30 days
Unchanged
Rating, last 30 days
Steady over 30 days
Version
1.2
Updated in the store
2026-02-04
Published
2025-10-30
Manifest
V3
Browser access
9 permissions, 2 site patterns

How it has moved

Users
unchanged since 05.10
71-83 · 18 readings
  1. 2026-10-0582
  2. 2026-10-0873
  3. 2026-10-0972
  4. 2026-10-1073
  5. 2026-10-1372
  6. 2026-10-1673
  7. 2026-10-1772
  8. 2026-10-1871
  9. 2026-10-1971
  10. 2026-10-2174
  11. 2026-10-2272
  12. 2026-10-2371
  13. 2026-10-2574
  14. 2026-10-2878
  15. 2026-10-2982
  16. 2026-11-0183
  17. 2026-11-0382
  18. 2026-11-0482
Rating
unchanged since 05.10
reviewsrating 5.00 · 18 readings
  1. 2026-10-05reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-13reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-17reviews1rating5.00
  8. 2026-10-18reviews1rating5.00
  9. 2026-10-19reviews1rating5.00
  10. 2026-10-21reviews1rating5.00
  11. 2026-10-22reviews1rating5.00
  12. 2026-10-23reviews1rating5.00
  13. 2026-10-25reviews1rating5.00
  14. 2026-10-28reviews1rating5.00
  15. 2026-10-29reviews1rating5.00
  16. 2026-11-01reviews1rating5.00
  17. 2026-11-03reviews1rating5.00
  18. 2026-11-04reviews1rating5.00
Users
+34 since 31.08
48-83 · 30 readings
  1. 2026-08-3148
  2. 2026-09-0350
  3. 2026-09-0553
  4. 2026-09-0655
  5. 2026-09-0755
  6. 2026-09-0956
  7. 2026-09-1055
  8. 2026-09-1358
  9. 2026-09-1559
  10. 2026-09-2164
  11. 2026-09-2667
  12. 2026-09-2862
  13. 2026-10-0582
  14. 2026-10-0873
  15. 2026-10-0972
  16. 2026-10-1073
  17. 2026-10-1372
  18. 2026-10-1673
  19. 2026-10-1772
  20. 2026-10-1871
  21. 2026-10-1971
  22. 2026-10-2174
  23. 2026-10-2272
  24. 2026-10-2371
  25. 2026-10-2574
  26. 2026-10-2878
  27. 2026-10-2982
  28. 2026-11-0183
  29. 2026-11-0382
  30. 2026-11-0482
Rating
unchanged since 31.08
reviewsrating 5.00 · 30 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-21reviews1rating5.00
  11. 2026-09-26reviews1rating5.00
  12. 2026-09-28reviews1rating5.00
  13. 2026-10-05reviews1rating5.00
  14. 2026-10-08reviews1rating5.00
  15. 2026-10-09reviews1rating5.00
  16. 2026-10-10reviews1rating5.00
  17. 2026-10-13reviews1rating5.00
  18. 2026-10-16reviews1rating5.00
  19. 2026-10-17reviews1rating5.00
  20. 2026-10-18reviews1rating5.00
  21. 2026-10-19reviews1rating5.00
  22. 2026-10-21reviews1rating5.00
  23. 2026-10-22reviews1rating5.00
  24. 2026-10-23reviews1rating5.00
  25. 2026-10-25reviews1rating5.00
  26. 2026-10-28reviews1rating5.00
  27. 2026-10-29reviews1rating5.00
  28. 2026-11-01reviews1rating5.00
  29. 2026-11-03reviews1rating5.00
  30. 2026-11-04reviews1rating5.00

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.

  • Talk to an application installed on your computer nativeMessaging
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
Show the remaining 6
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus
  • Store data in your browser storage
  • Read how much memory your device has system.memory
  • Declares windows

The full permission history for this extension

What changed recently

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

The publisher

Jack. Listed website: tabfast.app.

Like this one

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

  1. TabSaver — RAM Optimizer Describes nearly the same job, smaller audience 5 users
  2. Smart Tab Memory Saver Describes nearly the same job, smaller audience 6 users
  3. Tab Memory Optimizer - Free Up RAM Describes nearly the same job, smaller audience 4 users
  4. Tabnu – Tab & Memory Saver Describes nearly the same job, smaller audience 3 users (last published figure)
  5. Tab Memory Optimizer Describes nearly the same job, smaller audience 50 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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Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/jfnnncdhcglbkeapcjojcklmdjfojaad"><img src="https://extops.dev/extensions/jfnnncdhcglbkeapcjojcklmdjfojaad/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 2026-11-03. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built