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Chrome extension by Tsubasa Nakayama · Productivity · Developer

A Chrome extension in Productivity · Developer with 9 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 2 screenshots

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

Users
9
Rating
not rated yet
Users, last 30 days
+1
Version
1.0.0
Updated in the store
2026-07-15
Published
2021-01-03
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+1 since 11.10
7-12 · 14 readings
  1. 2026-10-139
  2. 2026-10-1810
  3. 2026-10-208
  4. 2026-10-219
  5. 2026-10-227
  6. 2026-10-248
  7. 2026-10-2910
  8. 2026-10-3011
  9. 2026-11-0112
  10. 2026-11-0411
  11. 2026-11-069
  12. 2026-11-0810
  13. 2026-11-099
  14. 2026-11-109
Users
+3 since 01.09
6-12 · 29 readings
  1. 2026-09-016
  2. 2026-09-027
  3. 2026-09-058
  4. 2026-09-077
  5. 2026-09-088
  6. 2026-09-097
  7. 2026-09-136
  8. 2026-09-157
  9. 2026-09-176
  10. 2026-09-207
  11. 2026-09-216
  12. 2026-09-267
  13. 2026-09-286
  14. 2026-10-097
  15. 2026-10-108
  16. 2026-10-139
  17. 2026-10-1810
  18. 2026-10-208
  19. 2026-10-219
  20. 2026-10-227
  21. 2026-10-248
  22. 2026-10-2910
  23. 2026-10-3011
  24. 2026-11-0112
  25. 2026-11-0411
  26. 2026-11-069
  27. 2026-11-0810
  28. 2026-11-099
  29. 2026-11-109

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.

The full permission history for this extension

What changed recently

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

The publisher

Tsubasa Nakayama.

Like this one

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

  1. Header management Describes nearly the same job, smaller audience 69 users ★ 5.0
  2. Modify Http Header Describes nearly the same job, smaller audience 1k users ★ 3.8
  3. Custom Request Headers Describes nearly the same job, smaller audience 5 users (last published figure)
  4. FEHeader Describes nearly the same job, smaller audience 3k users ★ 5.0
  5. Header Editor Describes nearly the same job, smaller audience 57 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/facccbhnpfojboiieoikapgchhjfomal/badge.svg)](https://extops.dev/extensions/facccbhnpfojboiieoikapgchhjfomal)

HTML

<a href="https://extops.dev/extensions/facccbhnpfojboiieoikapgchhjfomal"><img src="https://extops.dev/extensions/facccbhnpfojboiieoikapgchhjfomal/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 2026-11-09. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built