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AtCoder Submission Notifier

Chrome extension by 37zigen · Productivity · Tools

A Chrome extension in Productivity · Tools with 13 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 1 screenshot

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

Users
13
Rating
not rated yet
Users, last 16 days
+1
Version
2.1
Updated in the store
2025-09-03
Published
2025-08-26
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+1 since 31.08
11-14 · 10 readings
  1. 2026-08-3112
  2. 2026-09-0313
  3. 2026-09-0511
  4. 2026-09-0613
  5. 2026-09-0712
  6. 2026-09-0813
  7. 2026-09-0914
  8. 2026-09-1013
  9. 2026-09-1312
  10. 2026-09-1513
Users
+1 since 31.08
11-14 · 10 readings
  1. 2026-08-3112
  2. 2026-09-0313
  3. 2026-09-0511
  4. 2026-09-0613
  5. 2026-09-0712
  6. 2026-09-0813
  7. 2026-09-0914
  8. 2026-09-1013
  9. 2026-09-1312
  10. 2026-09-1513

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

Specific sites only: 1 match pattern.

  • https://atcoder.jp/
  • Schedule work to run later alarms
  • Show you notifications notifications
  • Run work in a hidden page offscreen
Show the remaining 1
  • 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

37zigen.

Like this one

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

  1. Codeforces Verdict Hidden Tool Describes nearly the same job, smaller audience 41 users
  2. BOJ Verdict Beautify Describes nearly the same job, smaller audience 20 users ★ 5.0
  3. CF Fetcher Describes nearly the same job, smaller audience 68 users ★ 5.0
  4. AtCoder Copy Button Describes nearly the same job, smaller audience 38 users
  5. CodePlay Helper Describes nearly the same job, smaller audience 8 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.