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Canvas Grades & GPA Calculator: Missing Assignments, Finals & Due Dates

Chrome extension by Reed.P.Cooper · Productivity · Education

A Chrome extension in Productivity · Education with 279 users, barely installed. Audience over the last 30 days: +129.

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
279
Rating
5.0 (5 ratings)
Users, last 30 days
+129
Rating, last 30 days
Steady over 30 days
Version
4.6.3
Updated in the store
2026-09-21
Published
2026-04-14
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
+129 since 02.10
150-281 · 19 readings
  1. 2026-10-04175
  2. 2026-10-08197
  3. 2026-10-09203
  4. 2026-10-10219
  5. 2026-10-13222
  6. 2026-10-16231
  7. 2026-10-17233
  8. 2026-10-18229
  9. 2026-10-19226
  10. 2026-10-20230
  11. 2026-10-21240
  12. 2026-10-23241
  13. 2026-10-24249
  14. 2026-10-25260
  15. 2026-10-26265
  16. 2026-10-28267
  17. 2026-10-29274
  18. 2026-10-30281
  19. 2026-11-01279
Rating
unchanged since 02.10
reviewsrating 5.00 · 19 readings
  1. 2026-10-04reviews3rating5.00
  2. 2026-10-08reviews3rating5.00
  3. 2026-10-09reviews4rating5.00
  4. 2026-10-10reviews4rating5.00
  5. 2026-10-13reviews4rating5.00
  6. 2026-10-16reviews4rating5.00
  7. 2026-10-17reviews4rating5.00
  8. 2026-10-18reviews4rating5.00
  9. 2026-10-19reviews4rating5.00
  10. 2026-10-20reviews4rating5.00
  11. 2026-10-21reviews4rating5.00
  12. 2026-10-23reviews4rating5.00
  13. 2026-10-24reviews4rating5.00
  14. 2026-10-25reviews4rating5.00
  15. 2026-10-26reviews4rating5.00
  16. 2026-10-28reviews4rating5.00
  17. 2026-10-29reviews4rating5.00
  18. 2026-10-30reviews4rating5.00
  19. 2026-11-01reviews5rating5.00
Users
+205 since 01.09
74-281 · 33 readings
2026-09-02: released 4.4.02026-09-03: released 4.5.02026-09-22: released 4.6.3
  1. 2026-09-0174
  2. 2026-09-0376released 4.5.0
  3. 2026-09-0479
  4. 2026-09-0580
  5. 2026-09-0679
  6. 2026-09-0778
  7. 2026-09-0981
  8. 2026-09-13102
  9. 2026-09-15109
  10. 2026-09-16118
  11. 2026-09-20130
  12. 2026-09-21133
  13. 2026-09-25139
  14. 2026-09-26150
  15. 2026-10-04175
  16. 2026-10-08197
  17. 2026-10-09203
  18. 2026-10-10219
  19. 2026-10-13222
  20. 2026-10-16231
  21. 2026-10-17233
  22. 2026-10-18229
  23. 2026-10-19226
  24. 2026-10-20230
  25. 2026-10-21240
  26. 2026-10-23241
  27. 2026-10-24249
  28. 2026-10-25260
  29. 2026-10-26265
  30. 2026-10-28267
  31. 2026-10-29274
  32. 2026-10-30281
  33. 2026-11-01279
Rating
unchanged since 01.09
reviewsrating 5.00 · 33 readings
2026-09-02: released 4.4.02026-09-03: released 4.5.02026-09-22: released 4.6.3
  1. 2026-09-01reviews2rating5.00
  2. 2026-09-03reviews2rating5.00released 4.5.0
  3. 2026-09-04reviews3rating5.00
  4. 2026-09-05reviews3rating5.00
  5. 2026-09-06reviews3rating5.00
  6. 2026-09-07reviews3rating5.00
  7. 2026-09-09reviews3rating5.00
  8. 2026-09-13reviews3rating5.00
  9. 2026-09-15reviews3rating5.00
  10. 2026-09-16reviews3rating5.00
  11. 2026-09-20reviews3rating5.00
  12. 2026-09-21reviews3rating5.00
  13. 2026-09-25reviews3rating5.00
  14. 2026-09-26reviews3rating5.00
  15. 2026-10-04reviews3rating5.00
  16. 2026-10-08reviews3rating5.00
  17. 2026-10-09reviews4rating5.00
  18. 2026-10-10reviews4rating5.00
  19. 2026-10-13reviews4rating5.00
  20. 2026-10-16reviews4rating5.00
  21. 2026-10-17reviews4rating5.00
  22. 2026-10-18reviews4rating5.00
  23. 2026-10-19reviews4rating5.00
  24. 2026-10-20reviews4rating5.00
  25. 2026-10-21reviews4rating5.00
  26. 2026-10-23reviews4rating5.00
  27. 2026-10-24reviews4rating5.00
  28. 2026-10-25reviews4rating5.00
  29. 2026-10-26reviews4rating5.00
  30. 2026-10-28reviews4rating5.00
  31. 2026-10-29reviews4rating5.00
  32. 2026-10-30reviews4rating5.00
  33. 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

Specific sites only: 1 match pattern.

  • https://*.instructure.com/*
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 4.6.3
  2. Version 4.5.0
  3. Version 4.4.0

What changed recently

  1. Package size changed
  2. Released version 4.6.3 (was 4.5.0)
  3. Package size changed
Show the remaining 5
  1. Store description rewritten (131 → 127 characters)
  2. Renamed from "Canvas Power Tools: Grades, GPA & Due Dates" to "Canvas Grades & GPA Calculator: Missing Assignments, Finals & Due Dates"
  3. Released version 4.5.0 (was 4.4.0)
  4. Package size changed
  5. Released version 4.4.0 (was 4.3.0)

The publisher

Reed.P.Cooper publishes 2 listings we track, 326 users between them.

  1. Canvas Grade Calc — What Do I Need? Reed.P.Cooper · Productivity · Education · published 2026-03-31 47 users ★ 5.0

Like this one

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

  1. Canvas Grade Calc — What Do I Need? Describes nearly the same job, smaller audience 47 users ★ 5.0
  2. Canvas Grade Calculator Describes nearly the same job, smaller audience 28 users ★ 5.0
  3. GradeCalc Sync Pro Describes nearly the same job, smaller audience 9 users ★ 5.0
  4. Canvas GradeHub Describes nearly the same job, smaller audience 4 users (last published figure)
  5. PotatoCanvas Describes nearly the same job, smaller audience 7 users ★ 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.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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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