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URL 404 Checker by Chungtsn SEO

Chrome extension by Tran Song Nguyen Chung · Productivity · Developer

A Chrome extension in Productivity · Developer with 15 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
15
Rating
not rated yet
Users, last 13 days
-3
Version
1.0
Updated in the store
2024-11-08
Published
2024-11-08
Manifest
V3
Browser access
3 permissions

How it has moved

Users
-3 since 01.09
14-19 · 7 readings
  1. 2026-09-0118
  2. 2026-09-0319
  3. 2026-09-0416
  4. 2026-09-0615
  5. 2026-09-0714
  6. 2026-09-0815
  7. 2026-09-1315
Users
-3 since 01.09
14-19 · 7 readings
  1. 2026-09-0118
  2. 2026-09-0319
  3. 2026-09-0416
  4. 2026-09-0615
  5. 2026-09-0714
  6. 2026-09-0815
  7. 2026-09-1315

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.

  • Manage your downloads downloads
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab

The full permission history for this extension

What changed recently

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

The publisher

Tran Song Nguyen Chung publishes 17 listings we track, 384 users between them. Listed website: chungtsn.info.

  1. Google Maps 2048 Image Downloader by dian.review Tran Song Nguyen Chung · Productivity · Tools · published 2026-01-06 104 users ★ 3.0
  2. Facebook Font Fixer by Tran Song Nguyen Chung Tran Song Nguyen Chung · Productivity · Developer · published 2024-09-04 50 users ★ 5.0
  3. Trở thành chuyên gia Promt AI chuyên nghiệp 5.0 Tran Song Nguyen Chung · Productivity · Developer · published 2025-03-06 48 users
Show 5 more from this publisher
  1. Hỗ trợ nhanh đặt lịch Fanpage nhanh Tran Song Nguyen Chung · Productivity · Workflow · published 2025-03-18 22 users
  2. Bulk Image Renamer by Auto365 Tran Song Nguyen Chung · Productivity · Developer · published 2024-09-04 19 users
  3. Chuyển đổi chữ hoa thường by Trần Song Nguyên Chung Tran Song Nguyen Chung · Productivity · Developer · published 2024-09-04 18 users
  4. Auto Edit URL Tran Song Nguyen Chung · Productivity · Developer · published 2024-11-18 17 users
  5. Watermark Logo Adder by Tran Song Nguyen Chung Tran Song Nguyen Chung · Productivity · Developer · published 2024-08-31 16 users

Like this one

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

  1. One-page link checker 🔗 Describes nearly the same job, smaller audience 38 users ★ 4.3
  2. Broken Link Checker Describes nearly the same job, with an established audience 30k users ★ 4.2
  3. Broken Link Checker — Dead Link & 404 Finder Describes nearly the same job 0 users
  4. Link Checker Pro Describes nearly the same job, smaller audience 4 users
  5. Broken Link Checker Describes nearly the same job 0 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?

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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.