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CanvasNinja – Tab Detection Blocker for Canvas

Chrome extension by Terabits Technolab · Productivity · Education

  • Established publisher

A Chrome extension in Productivity · Education with 827 users, barely installed. Audience over the last 30 days: +248.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 4 screenshots

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

Users
827
Rating
5.0 (5 ratings)
Users, last 30 days
+248
Rating, last 30 days
Steady over 30 days
Version
1.1.45
Updated in the store
2026-10-24
Published
2026-02-02
Manifest
V3
Browser access
3 permissions, 2 site patterns

How it has moved

Users
+248 since 02.10
579-1k · 15 readings
2026-10-06: released 1.1.352026-10-07: released 1.1.382026-10-13: released 1.1.392026-10-16: released 1.1.402026-10-18: released 1.1.412026-10-19: released 1.1.422026-10-20: released 1.1.432026-10-22: released 1.1.442026-10-24: released 1.1.45
  1. 2026-10-04624
  2. 2026-10-08615
  3. 2026-10-09620
  4. 2026-10-10640
  5. 2026-10-13649released 1.1.39
  6. 2026-10-16694released 1.1.40
  7. 2026-10-17919
  8. 2026-10-181kreleased 1.1.41
  9. 2026-10-24991released 1.1.45
  10. 2026-10-25794
  11. 2026-10-26833
  12. 2026-10-28847
  13. 2026-10-29853
  14. 2026-10-30845
  15. 2026-11-01827
Rating
unchanged since 02.10
reviewsrating 5.00 · 15 readings
2026-10-06: released 1.1.352026-10-07: released 1.1.382026-10-13: released 1.1.392026-10-16: released 1.1.402026-10-18: released 1.1.412026-10-19: released 1.1.422026-10-20: released 1.1.432026-10-22: released 1.1.442026-10-24: released 1.1.45
  1. 2026-10-04reviews5rating5.00
  2. 2026-10-08reviews5rating5.00
  3. 2026-10-09reviews5rating5.00
  4. 2026-10-10reviews5rating5.00
  5. 2026-10-13reviews5rating5.00released 1.1.39
  6. 2026-10-16reviews5rating5.00released 1.1.40
  7. 2026-10-17reviews5rating5.00
  8. 2026-10-18reviews5rating5.00released 1.1.41
  9. 2026-10-24reviews5rating5.00released 1.1.45
  10. 2026-10-25reviews5rating5.00
  11. 2026-10-26reviews5rating5.00
  12. 2026-10-28reviews5rating5.00
  13. 2026-10-29reviews5rating5.00
  14. 2026-10-30reviews5rating5.00
  15. 2026-11-01reviews5rating5.00
Users
+418 since 31.08
409-1k · 29 readings
2026-09-03: released 1.1.152026-09-14: released 1.1.162026-09-18: released 1.1.172026-09-18: released 1.1.182026-09-22: released 1.1.192026-09-25: released 1.1.202026-09-27: released 1.1.282026-09-28: released 1.1.332026-09-29: released 1.1.342026-10-06: released 1.1.352026-10-07: released 1.1.382026-10-13: released 1.1.392026-10-16: released 1.1.402026-10-18: released 1.1.412026-10-19: released 1.1.422026-10-20: released 1.1.432026-10-22: released 1.1.442026-10-24: released 1.1.45
  1. 2026-08-31409
  2. 2026-09-02431
  3. 2026-09-04421
  4. 2026-09-06433
  5. 2026-09-08427
  6. 2026-09-09432
  7. 2026-09-13461
  8. 2026-09-15471
  9. 2026-09-16506
  10. 2026-09-20539
  11. 2026-09-21555
  12. 2026-09-25575released 1.1.20
  13. 2026-09-26564
  14. 2026-09-28579released 1.1.33
  15. 2026-10-04624
  16. 2026-10-08615
  17. 2026-10-09620
  18. 2026-10-10640
  19. 2026-10-13649released 1.1.39
  20. 2026-10-16694released 1.1.40
  21. 2026-10-17919
  22. 2026-10-181kreleased 1.1.41
  23. 2026-10-24991released 1.1.45
  24. 2026-10-25794
  25. 2026-10-26833
  26. 2026-10-28847
  27. 2026-10-29853
  28. 2026-10-30845
  29. 2026-11-01827
Rating
unchanged since 31.08
reviewsrating 5.00 · 29 readings
2026-09-03: released 1.1.152026-09-14: released 1.1.162026-09-18: released 1.1.172026-09-18: released 1.1.182026-09-22: released 1.1.192026-09-25: released 1.1.202026-09-27: released 1.1.282026-09-28: released 1.1.332026-09-29: released 1.1.342026-10-06: released 1.1.352026-10-07: released 1.1.382026-10-13: released 1.1.392026-10-16: released 1.1.402026-10-18: released 1.1.412026-10-19: released 1.1.422026-10-20: released 1.1.432026-10-22: released 1.1.442026-10-24: released 1.1.45
  1. 2026-08-31reviews5rating5.00
  2. 2026-09-02reviews5rating5.00
  3. 2026-09-04reviews5rating5.00
  4. 2026-09-06reviews5rating5.00
  5. 2026-09-08reviews5rating5.00
  6. 2026-09-09reviews5rating5.00
  7. 2026-09-13reviews5rating5.00
  8. 2026-09-15reviews5rating5.00
  9. 2026-09-16reviews5rating5.00
  10. 2026-09-20reviews5rating5.00
  11. 2026-09-21reviews5rating5.00
  12. 2026-09-25reviews5rating5.00released 1.1.20
  13. 2026-09-26reviews5rating5.00
  14. 2026-09-28reviews5rating5.00released 1.1.33
  15. 2026-10-04reviews5rating5.00
  16. 2026-10-08reviews5rating5.00
  17. 2026-10-09reviews5rating5.00
  18. 2026-10-10reviews5rating5.00
  19. 2026-10-13reviews5rating5.00released 1.1.39
  20. 2026-10-16reviews5rating5.00released 1.1.40
  21. 2026-10-17reviews5rating5.00
  22. 2026-10-18reviews5rating5.00released 1.1.41
  23. 2026-10-24reviews5rating5.00released 1.1.45
  24. 2026-10-25reviews5rating5.00
  25. 2026-10-26reviews5rating5.00
  26. 2026-10-28reviews5rating5.00
  27. 2026-10-29reviews5rating5.00
  28. 2026-10-30reviews5rating5.00
  29. 2026-11-01reviews5rating5.00

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

Every site you visit. This extension can read and change the content of any page you open.

  • 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

Version history

  1. Version 1.1.45
  2. Version 1.1.44
  3. Version 1.1.43
Show the remaining 5
  1. Version 1.1.42
  2. Version 1.1.41
  3. Version 1.1.40
  4. Version 1.1.39
  5. Version 1.1.38

What changed recently

  1. Released version 1.1.45 (was 1.1.44)
  2. Released version 1.1.44 (was 1.1.43)
  3. Released version 1.1.43 (was 1.1.42)
Show the remaining 9
  1. Released version 1.1.42 (was 1.1.41)
  2. Released version 1.1.41 (was 1.1.40)
  3. Released version 1.1.40 (was 1.1.39)
  4. Released version 1.1.39 (was 1.1.38)
  5. Released version 1.1.38 (was 1.1.35)
  6. Package size changed
  7. Released version 1.1.35 (was 1.1.34)
  8. Released version 1.1.34 (was 1.1.33)
  9. Released version 1.1.33 (was 1.1.28)

Older entries and the full day by day series are in the app.

The publisher

Terabits Technolab publishes 3 listings we track, 1k users between them. Listed website: canvasninja.app.

  1. 2Subs: Dual Subtitles for Netflix, YouTube & Learning Terabits Technolab · Productivity · Education · published 2026-06-09 214 users
  2. ExamNinja - AI Homework Helper Terabits Technolab · Productivity · Education · published 2026-08-17 13 users

Like this one

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

  1. Canvas Tab Shield: Quiz & Test Detection Blocker Describes nearly the same job, smaller audience 902 users ★ 4.2
  2. Canvas Scholar Describes nearly the same job, smaller audience 53 users
  3. Canvas Privacy Protection Describes nearly the same job, smaller audience 155 users ★ 1.0
  4. StayFocus on Canvas Describes nearly the same job, smaller audience 227 users ★ 2.3
  5. Canvas-Wise Describes nearly the same job, smaller audience 7 users ★ 1.0

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.

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Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/ailcnoigddfddkfnppjcgjijaoehiime"><img src="https://extops.dev/extensions/ailcnoigddfddkfnppjcgjijaoehiime/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