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Coolbar — Canvas assignments, study planner & memory

Chrome extension by novaluna.gpt · Productivity · Education

  • Established publisher
  • Trader

A Chrome extension in Productivity · Education with 7 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 5 screenshots

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

Users
7
Rating
5.0 (1 ratings)
Users, last 16 days
+7
Rating, last 30 days
Not watched long enough to say
Version
1.17.2
Updated in the store
2026-09-30
Published
2026-09-22
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
+7 since 23.09
0-7 · 6 readings
2026-09-23: appeared in the store2026-09-28: released 1.16.12026-09-30: released 1.17.22026-09-30: gained the good publisher record badge
  1. 2026-09-230appeared in the store
  2. 2026-09-251
  3. 2026-09-272
  4. 2026-09-284released 1.16.1
  5. 2026-10-047
  6. 2026-10-087
Rating
+5.00 since 23.09
reviewsrating 0.00-5.00 · 6 readings
2026-09-23: appeared in the store2026-09-28: released 1.16.12026-09-30: released 1.17.22026-09-30: gained the good publisher record badge
  1. 2026-09-23reviews0rating0.00appeared in the store
  2. 2026-09-25reviews0rating0.00
  3. 2026-09-27reviews0rating0.00
  4. 2026-09-28reviews1rating5.00released 1.16.1
  5. 2026-10-04reviews1rating5.00
  6. 2026-10-08reviews1rating5.00
Users
+7 since 23.09
0-7 · 6 readings
2026-09-23: appeared in the store2026-09-28: released 1.16.12026-09-30: released 1.17.22026-09-30: gained the good publisher record badge
  1. 2026-09-230appeared in the store
  2. 2026-09-251
  3. 2026-09-272
  4. 2026-09-284released 1.16.1
  5. 2026-10-047
  6. 2026-10-087
Rating
+5.00 since 23.09
reviewsrating 0.00-5.00 · 6 readings
2026-09-23: appeared in the store2026-09-28: released 1.16.12026-09-30: released 1.17.22026-09-30: gained the good publisher record badge
  1. 2026-09-23reviews0rating0.00appeared in the store
  2. 2026-09-25reviews0rating0.00
  3. 2026-09-27reviews0rating0.00
  4. 2026-09-28reviews1rating5.00released 1.16.1
  5. 2026-10-04reviews1rating5.00
  6. 2026-10-08reviews1rating5.00

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://coolbar.com/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 4
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus
  • Show you notifications notifications
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.17.2
  2. Version 1.16.1 · Asked for more permissions (8, was 7)

What changed recently

  1. Store badges changed
  2. Package size changed
  3. Released version 1.17.2 (was 1.16.1)
Show the remaining 7
  1. Package size changed
  2. Asked for more permissions (8, was 7)
  3. Store description rewritten (116 → 130 characters)
  4. Moved to another store category
  5. Renamed from "Coolbar — save anything, ask for it back" to "Coolbar — Canvas assignments, study planner & memory"
  6. Released version 1.16.1 (was 1.11.0)
  7. Appeared in the store

The publisher

novaluna.gpt publishes 2 listings we track, 16 users between them. Listed website: coolbar.com.

  1. NovaLuna.ai novaluna.gpt · Productivity · Tools · published 2024-12-20 9 users ★ 5.0

Like this one

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

  1. Cadent Describes nearly the same job, smaller audience 5 users
  2. Quadernio Describes nearly the same job audience not published
  3. ScholarOS Describes nearly the same job, smaller audience 12 users ★ 5.0
  4. Canvas Companion Describes nearly the same job, smaller audience 7 users
  5. Scholarwire for Canvas Describes nearly the same job, smaller audience 2 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.