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Chrome extension by akira.taniwaki · Productivity · Tools

A Chrome extension in Productivity · Tools with 3 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 1 screenshot

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

Users
3
Rating
not rated yet
Users, last 16 days
unchanged
Version
1.2.0
Updated in the store
2026-04-08
Published
2026-01-20
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
unchanged since 01.09
3-4 · 8 readings
  1. 2026-09-013
  2. 2026-09-024
  3. 2026-09-043
  4. 2026-09-064
  5. 2026-09-083
  6. 2026-09-094
  7. 2026-09-103
  8. 2026-09-163
Users
unchanged since 01.09
3-4 · 8 readings
  1. 2026-09-013
  2. 2026-09-024
  3. 2026-09-043
  4. 2026-09-064
  5. 2026-09-083
  6. 2026-09-094
  7. 2026-09-103
  8. 2026-09-163

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: 2 match patterns.

  • https://manager.the-online-class.com/*
  • https://api.the-online-class.com/*
  • Run its own code on the pages it can access scripting
  • Schedule work to run later alarms
  • Show you notifications notifications
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

akira.taniwaki publishes 6 listings we track, 122 users between them.

  1. GigaFile Default Setter akira.taniwaki · Productivity · Tools · published 2026-01-01 79 users
  2. Stockpile - Download Organizer akira.taniwaki · Productivity · Tools · published 2026-01-05 16 users ★ 5.0
  3. Hayame - Video Speed Controller akira.taniwaki · Productivity · Tools · published 2026-02-18 13 users
Show 2 more from this publisher
  1. Copy Current Page As akira.taniwaki · Productivity · Developer · published 2026-02-10 7 users
  2. Form Bookmark akira.taniwaki · Productivity · Developer · published 2026-01-07 4 users ★ 5.0

Like this one

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

  1. Classter Ninja Describes nearly the same job, smaller audience 19 users ★ 5.0
  2. WebClass Plus Describes nearly the same job, smaller audience 74 users ★ 5.0
  3. Owler Classroom Extension Describes nearly the same job, smaller audience 4 users
  4. Classroom Manager — Fast classes Describes nearly the same job, smaller audience 5 users ★ 5.0
  5. Lone Star Learning PLUS for Google Classroom Describes nearly the same job, with an established audience 20k users (last published figure) ★ 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.

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.