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Chrome extension by cha5s5dh · Productivity · Tools

A Chrome extension in Productivity · Tools with 2 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

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

Users
2 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 18 days
+2
Version
1.2.0
Updated in the store
2026-04-13
Published
2026-04-09
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+2 since 31.08
0-3 · 7 readings
  1. 2026-08-310
  2. 2026-09-033
  3. 2026-09-063
  4. 2026-09-083
  5. 2026-09-100
  6. 2026-09-152
  7. 2026-09-172
Users
+2 since 31.08
0-3 · 7 readings
  1. 2026-08-310
  2. 2026-09-033
  3. 2026-09-063
  4. 2026-09-083
  5. 2026-09-100
  6. 2026-09-152
  7. 2026-09-172

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Act on the current tab, but only after you click it activeTab
  • 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

cha5s5dh publishes 15 listings we track, 378 users between them. Listed website: codescan.kr.

  1. ProxySwitcher - Burp Suite Proxy Manager cha5s5dh · Productivity · Tools · published 2026-03-23 177 users
  2. D-Day Counter - 디데이 카운터 cha5s5dh · Productivity · Tools · published 2026-04-01 110 users ★ 5.0
  3. Snake Game - 스네이크 게임 cha5s5dh · Lifestyle · Games · published 2026-03-20 14 users
Show 5 more from this publisher
  1. 키팡 실시간 인기검색어 cha5s5dh · Productivity · Tools · published 2026-08-05 13 users
  2. 오늘의 운세 - Daily Fortune cha5s5dh · Lifestyle · Entertainment · published 2026-03-24 11 users
  3. ExtGuard - 확장 프로그램 보안 감사 cha5s5dh · Productivity · Tools · published 2026-04-09 9 users
  4. SiteGuard - 웹사이트 보안 체커 cha5s5dh · Productivity · Tools · published 2026-03-23 9 users
  5. PhishCheck - 피싱 URL 탐지기 cha5s5dh · Productivity · Tools · published 2026-04-09 9 users

Like this one

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

  1. HeaderLint Describes nearly the same job, smaller audience 3 users (last published figure)
  2. Security Header Scanner Describes nearly the same job, smaller audience 13 users
  3. HTTP Security Header Checker Describes nearly the same job, smaller audience 12 users
  4. Security Header Checker Describes nearly the same job, smaller audience 37 users ★ 5.0
  5. Web Security Headers Checker Describes nearly the same job, smaller audience 7 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.

Is this your extension?

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

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.