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URL 404 Checker by Chungtsn SEO

Chrome extension by Tran Song Nguyen Chung · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 17 users, barely installed. Audience over the last 30 days: +4.

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
17
Rating
not rated yet
Users, last 30 days
+4
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
+4 since 11.10
12-18 · 17 readings
  1. 2026-10-1315
  2. 2026-10-1616
  3. 2026-10-1817
  4. 2026-10-1916
  5. 2026-10-2015
  6. 2026-10-2117
  7. 2026-10-2215
  8. 2026-10-2314
  9. 2026-10-2513
  10. 2026-10-3014
  11. 2026-11-0112
  12. 2026-11-0213
  13. 2026-11-0615
  14. 2026-11-0716
  15. 2026-11-0818
  16. 2026-11-0917
  17. 2026-11-1017
Users
-1 since 01.09
12-19 · 32 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. 2026-09-1517
  8. 2026-09-1618
  9. 2026-09-2017
  10. 2026-09-2116
  11. 2026-09-2514
  12. 2026-09-2813
  13. 2026-10-0414
  14. 2026-10-0815
  15. 2026-10-1013
  16. 2026-10-1315
  17. 2026-10-1616
  18. 2026-10-1817
  19. 2026-10-1916
  20. 2026-10-2015
  21. 2026-10-2117
  22. 2026-10-2215
  23. 2026-10-2314
  24. 2026-10-2513
  25. 2026-10-3014
  26. 2026-11-0112
  27. 2026-11-0213
  28. 2026-11-0615
  29. 2026-11-0716
  30. 2026-11-0818
  31. 2026-11-0917
  32. 2026-11-1017

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

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, 401 users between them. Listed website: chungtsn.info.

  1. Google Maps 2048 Image Downloader by dian.review Tran Song Nguyen Chung · Productivity · Tools · published 2026-01-06 101 users ★ 3.0
  2. Trở thành chuyên gia Promt AI chuyên nghiệp 5.0 Tran Song Nguyen Chung · Productivity · Developer · published 2025-03-06 58 users
  3. Facebook Font Fixer by Tran Song Nguyen Chung Tran Song Nguyen Chung · Productivity · Developer · published 2024-09-04 41 users ★ 5.0
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. Auto Edit URL Tran Song Nguyen Chung · Productivity · Developer · published 2024-11-18 21 users
  3. Bulk Image Renamer by Auto365 Tran Song Nguyen Chung · Productivity · Developer · published 2024-09-04 20 users
  4. Watermark Logo Adder by Tran Song Nguyen Chung Tran Song Nguyen Chung · Productivity · Developer · published 2024-08-31 19 users
  5. Gmail Quick Compose by Trần Song Nguyên Chung Tran Song Nguyen Chung · Productivity · Developer · published 2024-09-18 17 users ★ 5.0

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 36 users ★ 4.3
  2. Broken Link Checker - Page Link Status Describes nearly the same job, smaller audience 9 users ★ 5.0
  3. Broken Link Checker Describes nearly the same job, with an established audience 30k users ★ 4.2
  4. Broken Link Checker — Dead Link & 404 Finder Describes nearly the same job, smaller audience 8 users
  5. Link Checker Pro Describes nearly the same job, smaller audience 5 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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Users and rating on Ext Ops Panel

Markdown

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HTML

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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