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Crystal Canvas

Chrome extension by Codezilla01 · Productivity · Education

A Chrome extension in Productivity · Education with 86 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 3 match patterns.

What the developer says, and 4 screenshots

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

Users
86
Rating
5.0 (6 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
1.2.3
Updated in the store
2026-01-30
Published
2025-03-14
Manifest
V3
Browser access
3 permissions, 3 site patterns

How it has moved

Users
+1 since 04.10
82-86 · 15 readings
  1. 2026-10-0485
  2. 2026-10-0884
  3. 2026-10-0985
  4. 2026-10-1083
  5. 2026-10-1184
  6. 2026-10-1683
  7. 2026-10-1883
  8. 2026-10-2186
  9. 2026-10-2283
  10. 2026-10-2486
  11. 2026-10-2584
  12. 2026-10-2882
  13. 2026-10-2985
  14. 2026-11-0186
  15. 2026-11-0286
Rating
unchanged since 04.10
reviewsrating 5.00 · 15 readings
  1. 2026-10-04reviews6rating5.00
  2. 2026-10-08reviews6rating5.00
  3. 2026-10-09reviews6rating5.00
  4. 2026-10-10reviews6rating5.00
  5. 2026-10-11reviews6rating5.00
  6. 2026-10-16reviews6rating5.00
  7. 2026-10-18reviews6rating5.00
  8. 2026-10-21reviews6rating5.00
  9. 2026-10-22reviews6rating5.00
  10. 2026-10-24reviews6rating5.00
  11. 2026-10-25reviews6rating5.00
  12. 2026-10-28reviews6rating5.00
  13. 2026-10-29reviews6rating5.00
  14. 2026-11-01reviews6rating5.00
  15. 2026-11-02reviews6rating5.00
Users
+5 since 01.09
70-86 · 28 readings
  1. 2026-09-0181
  2. 2026-09-0282
  3. 2026-09-0478
  4. 2026-09-0577
  5. 2026-09-0675
  6. 2026-09-0870
  7. 2026-09-0971
  8. 2026-09-1373
  9. 2026-09-1579
  10. 2026-09-2178
  11. 2026-09-2580
  12. 2026-09-2781
  13. 2026-09-2880
  14. 2026-10-0485
  15. 2026-10-0884
  16. 2026-10-0985
  17. 2026-10-1083
  18. 2026-10-1184
  19. 2026-10-1683
  20. 2026-10-1883
  21. 2026-10-2186
  22. 2026-10-2283
  23. 2026-10-2486
  24. 2026-10-2584
  25. 2026-10-2882
  26. 2026-10-2985
  27. 2026-11-0186
  28. 2026-11-0286
Rating
unchanged since 01.09
reviewsrating 5.00 · 28 readings
  1. 2026-09-01reviews6rating5.00
  2. 2026-09-02reviews6rating5.00
  3. 2026-09-04reviews6rating5.00
  4. 2026-09-05reviews6rating5.00
  5. 2026-09-06reviews6rating5.00
  6. 2026-09-08reviews6rating5.00
  7. 2026-09-09reviews6rating5.00
  8. 2026-09-13reviews6rating5.00
  9. 2026-09-15reviews6rating5.00
  10. 2026-09-21reviews6rating5.00
  11. 2026-09-25reviews6rating5.00
  12. 2026-09-27reviews6rating5.00
  13. 2026-09-28reviews6rating5.00
  14. 2026-10-04reviews6rating5.00
  15. 2026-10-08reviews6rating5.00
  16. 2026-10-09reviews6rating5.00
  17. 2026-10-10reviews6rating5.00
  18. 2026-10-11reviews6rating5.00
  19. 2026-10-16reviews6rating5.00
  20. 2026-10-18reviews6rating5.00
  21. 2026-10-21reviews6rating5.00
  22. 2026-10-22reviews6rating5.00
  23. 2026-10-24reviews6rating5.00
  24. 2026-10-25reviews6rating5.00
  25. 2026-10-28reviews6rating5.00
  26. 2026-10-29reviews6rating5.00
  27. 2026-11-01reviews6rating5.00
  28. 2026-11-02reviews6rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing 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

Specific sites only: 3 match patterns.

  • *://*/profile/communication*
  • *://*/profile/settings*
  • https://crystalcanvas-ucd.com/*
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • 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

Codezilla01 publishes 3 listings we track, 97 users between them.

  1. YouTube Productivity Dial Codezilla01 · Productivity · Workflow · published 2026-08-28 8 users ★ 1.0
  2. Cody's Project Neutron Rollout Downloader Codezilla01 · Productivity · Tools · published 2026-09-25 3 users (last published figure)

Like this one

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

  1. Canvas GradeHub Describes nearly the same job, smaller audience 4 users (last published figure)
  2. Blank Canvas Describes nearly the same job, smaller audience 5 users ★ 5.0
  3. Debloated Dashboard for Canvas Describes nearly the same job, smaller audience 2 users
  4. Simpl Courses Describes nearly the same job, smaller audience 41 users ★ 5.0
  5. Enhanced Canvas Describes nearly the same job, smaller audience 9 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

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/kkcckcpgebdgbmoldefkgahjppnnibfm/badge.svg)](https://extops.dev/extensions/kkcckcpgebdgbmoldefkgahjppnnibfm)

HTML

<a href="https://extops.dev/extensions/kkcckcpgebdgbmoldefkgahjppnnibfm"><img src="https://extops.dev/extensions/kkcckcpgebdgbmoldefkgahjppnnibfm/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built