Ext Ops Panel
Open dashboard

Otter DevTools

Chrome extension by Otter · Productivity · Developer

  • Trader

A Chrome extension in Productivity · Developer with 79 users, barely installed. Audience over the last 30 days: +11.

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
79
Rating
5.0 (1 ratings)
Users, last 30 days
+11
Rating, last 30 days
Steady over 30 days
Version
14.0.0
Updated in the store
2026-02-02
Published
2026-02-02
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
+11 since 03.10
68-81 · 14 readings
  1. 2026-10-0570
  2. 2026-10-1072
  3. 2026-10-1673
  4. 2026-10-1872
  5. 2026-10-1971
  6. 2026-10-2072
  7. 2026-10-2174
  8. 2026-10-2375
  9. 2026-10-2478
  10. 2026-10-2677
  11. 2026-10-2979
  12. 2026-10-3081
  13. 2026-11-0178
  14. 2026-11-0279
Rating
unchanged since 03.10
reviewsrating 5.00 · 14 readings
  1. 2026-10-05reviews1rating5.00
  2. 2026-10-10reviews1rating5.00
  3. 2026-10-16reviews1rating5.00
  4. 2026-10-18reviews1rating5.00
  5. 2026-10-19reviews1rating5.00
  6. 2026-10-20reviews1rating5.00
  7. 2026-10-21reviews1rating5.00
  8. 2026-10-23reviews1rating5.00
  9. 2026-10-24reviews1rating5.00
  10. 2026-10-26reviews1rating5.00
  11. 2026-10-29reviews1rating5.00
  12. 2026-10-30reviews1rating5.00
  13. 2026-11-01reviews1rating5.00
  14. 2026-11-02reviews1rating5.00
Users
+23 since 01.09
56-81 · 27 readings
  1. 2026-09-0156
  2. 2026-09-0257
  3. 2026-09-0358
  4. 2026-09-0557
  5. 2026-09-0658
  6. 2026-09-0861
  7. 2026-09-1064
  8. 2026-09-1565
  9. 2026-09-1768
  10. 2026-09-2165
  11. 2026-09-2568
  12. 2026-09-2770
  13. 2026-09-2868
  14. 2026-10-0570
  15. 2026-10-1072
  16. 2026-10-1673
  17. 2026-10-1872
  18. 2026-10-1971
  19. 2026-10-2072
  20. 2026-10-2174
  21. 2026-10-2375
  22. 2026-10-2478
  23. 2026-10-2677
  24. 2026-10-2979
  25. 2026-10-3081
  26. 2026-11-0178
  27. 2026-11-0279
Rating
unchanged since 01.09
reviewsrating 5.00 · 27 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-03reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-17reviews1rating5.00
  10. 2026-09-21reviews1rating5.00
  11. 2026-09-25reviews1rating5.00
  12. 2026-09-27reviews1rating5.00
  13. 2026-09-28reviews1rating5.00
  14. 2026-10-05reviews1rating5.00
  15. 2026-10-10reviews1rating5.00
  16. 2026-10-16reviews1rating5.00
  17. 2026-10-18reviews1rating5.00
  18. 2026-10-19reviews1rating5.00
  19. 2026-10-20reviews1rating5.00
  20. 2026-10-21reviews1rating5.00
  21. 2026-10-23reviews1rating5.00
  22. 2026-10-24reviews1rating5.00
  23. 2026-10-26reviews1rating5.00
  24. 2026-10-29reviews1rating5.00
  25. 2026-10-30reviews1rating5.00
  26. 2026-11-01reviews1rating5.00
  27. 2026-11-02reviews1rating5.00

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.

  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

Otter.

Like this one

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

  1. Owl devtools Describes nearly the same job, smaller audience 8k users ★ 4.8
  2. Deepkit Devtool Describes nearly the same job, smaller audience 8 users
  3. DevBox Describes nearly the same job, smaller audience 12 users
  4. Easy devtools Describes nearly the same job, smaller audience 11 users
  5. DebugMate Describes nearly the same job, smaller audience 3 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does
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.

Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/cgbnjkegcpddliemjooeiomcdnacbdol"><img src="https://extops.dev/extensions/cgbnjkegcpddliemjooeiomcdnacbdol/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 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built