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Chrome extension by CSDN · Productivity · Developer

A Chrome extension in Productivity · Developer with 400 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
400
Rating
3.7 (3 ratings)
Users, last 30 days
Unchanged
Rating, last 30 days
Steady over 30 days
Version
3.0.0
Updated in the store
2022-09-03
Published
2021-03-26
Manifest
V3
Browser access
10 permissions, 1 site pattern

How it has moved

Users
unchanged since 02.10
325-410 · 17 readings
  1. 2026-10-04356
  2. 2026-10-08325
  3. 2026-10-09358
  4. 2026-10-10382
  5. 2026-10-13402
  6. 2026-10-16409
  7. 2026-10-17408
  8. 2026-10-18410
  9. 2026-10-19406
  10. 2026-10-21404
  11. 2026-10-22405
  12. 2026-10-23402
  13. 2026-10-24403
  14. 2026-10-25398
  15. 2026-10-28399
  16. 2026-10-29398
  17. 2026-11-01400
Rating
unchanged since 02.10
reviewsrating 3.67 · 17 readings
  1. 2026-10-04reviews3rating3.67
  2. 2026-10-08reviews3rating3.67
  3. 2026-10-09reviews3rating3.67
  4. 2026-10-10reviews3rating3.67
  5. 2026-10-13reviews3rating3.67
  6. 2026-10-16reviews3rating3.67
  7. 2026-10-17reviews3rating3.67
  8. 2026-10-18reviews3rating3.67
  9. 2026-10-19reviews3rating3.67
  10. 2026-10-21reviews3rating3.67
  11. 2026-10-22reviews3rating3.67
  12. 2026-10-23reviews3rating3.67
  13. 2026-10-24reviews3rating3.67
  14. 2026-10-25reviews3rating3.67
  15. 2026-10-28reviews3rating3.67
  16. 2026-10-29reviews3rating3.67
  17. 2026-11-01reviews3rating3.67
Users
+2 since 01.09
325-410 · 32 readings
  1. 2026-09-01398
  2. 2026-09-03402
  3. 2026-09-04404
  4. 2026-09-06404
  5. 2026-09-07403
  6. 2026-09-08397
  7. 2026-09-10398
  8. 2026-09-13399
  9. 2026-09-15396
  10. 2026-09-16401
  11. 2026-09-20389
  12. 2026-09-22396
  13. 2026-09-25393
  14. 2026-09-26401
  15. 2026-09-28400
  16. 2026-10-04356
  17. 2026-10-08325
  18. 2026-10-09358
  19. 2026-10-10382
  20. 2026-10-13402
  21. 2026-10-16409
  22. 2026-10-17408
  23. 2026-10-18410
  24. 2026-10-19406
  25. 2026-10-21404
  26. 2026-10-22405
  27. 2026-10-23402
  28. 2026-10-24403
  29. 2026-10-25398
  30. 2026-10-28399
  31. 2026-10-29398
  32. 2026-11-01400
Rating
unchanged since 01.09
reviewsrating 3.67 · 32 readings
  1. 2026-09-01reviews3rating3.67
  2. 2026-09-03reviews3rating3.67
  3. 2026-09-04reviews3rating3.67
  4. 2026-09-06reviews3rating3.67
  5. 2026-09-07reviews3rating3.67
  6. 2026-09-08reviews3rating3.67
  7. 2026-09-10reviews3rating3.67
  8. 2026-09-13reviews3rating3.67
  9. 2026-09-15reviews3rating3.67
  10. 2026-09-16reviews3rating3.67
  11. 2026-09-20reviews3rating3.67
  12. 2026-09-22reviews3rating3.67
  13. 2026-09-25reviews3rating3.67
  14. 2026-09-26reviews3rating3.67
  15. 2026-09-28reviews3rating3.67
  16. 2026-10-04reviews3rating3.67
  17. 2026-10-08reviews3rating3.67
  18. 2026-10-09reviews3rating3.67
  19. 2026-10-10reviews3rating3.67
  20. 2026-10-13reviews3rating3.67
  21. 2026-10-16reviews3rating3.67
  22. 2026-10-17reviews3rating3.67
  23. 2026-10-18reviews3rating3.67
  24. 2026-10-19reviews3rating3.67
  25. 2026-10-21reviews3rating3.67
  26. 2026-10-22reviews3rating3.67
  27. 2026-10-23reviews3rating3.67
  28. 2026-10-24reviews3rating3.67
  29. 2026-10-25reviews3rating3.67
  30. 2026-10-28reviews3rating3.67
  31. 2026-10-29reviews3rating3.67
  32. 2026-11-01reviews3rating3.67

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.

  • Read and change cookies on the sites it can access cookies
  • Read and change your browsing history history
  • See the address and title of every tab you have open tabs
Show the remaining 7

The full permission history for this extension

What changed recently

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

The publisher

CSDN publishes 7 listings we track, 56k users between them.

  1. CSDN·浏览器助手 CSDN · Productivity · Tools · published 2020-11-06 40k users ★ 3.5
  2. JSON格式化工具 CSDN · Productivity · Developer · published 2021-03-23 10k users ★ 4.7
  3. CSDN同步助手 CSDN · Productivity · Developer · published 2026-04-16 5k users ★ 4.0
Show 3 more from this publisher
  1. InsCode Extension CSDN · Productivity · Tools · published 2025-07-20 649 users ★ 5.0
  2. 二维码助手 CSDN · Productivity · Developer · published 2021-04-01 167 users ★ 5.0
  3. CSDN SEO 页面检测 CSDN · Productivity · Developer · published 2026-07-01 134 users

Like this one

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

  1. CSDN·浏览器助手 Describes nearly the same job, with an established audience 40k users ★ 3.5
  2. Developer Tools Describes nearly the same job, smaller audience 20 users
  3. sssbar Describes nearly the same job, smaller audience 222 users ★ 5.0
  4. Veojson — Developer Tools Launcher Describes nearly the same job, smaller audience 3 users
  5. MV3前端助手 Describes nearly the same job, smaller audience 9 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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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/kefgifgccnecflkpkdnobhmdfddfgbjf/badge.svg)](https://extops.dev/extensions/kefgifgccnecflkpkdnobhmdfddfgbjf)

HTML

<a href="https://extops.dev/extensions/kefgifgccnecflkpkdnobhmdfddfgbjf"><img src="https://extops.dev/extensions/kefgifgccnecflkpkdnobhmdfddfgbjf/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built