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PowerSchool Grade Calculator

Chrome extension by Marcel · Productivity · Education

A Chrome extension in Productivity · Education with 44 users, barely installed. Audience over the last 30 days: -4.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 5 screenshots

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

Users
44
Rating
5.0 (1 ratings)
Users, last 30 days
-4
Rating, last 30 days
Steady over 30 days
Version
2.12.0
Updated in the store
2026-03-19
Published
2026-01-15
Manifest
V3
Browser access
1 permission

How it has moved

Users
-4 since 02.10
44-75 · 19 readings
  1. 2026-10-0463
  2. 2026-10-0868
  3. 2026-10-0972
  4. 2026-10-1075
  5. 2026-10-1168
  6. 2026-10-1359
  7. 2026-10-1660
  8. 2026-10-1763
  9. 2026-10-1862
  10. 2026-10-1966
  11. 2026-10-2164
  12. 2026-10-2261
  13. 2026-10-2358
  14. 2026-10-2453
  15. 2026-10-2548
  16. 2026-10-2747
  17. 2026-10-2946
  18. 2026-10-3144
  19. 2026-11-0144
Rating
unchanged since 02.10
reviewsrating 5.00 · 19 readings
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-11reviews1rating5.00
  6. 2026-10-13reviews1rating5.00
  7. 2026-10-16reviews1rating5.00
  8. 2026-10-17reviews1rating5.00
  9. 2026-10-18reviews1rating5.00
  10. 2026-10-19reviews1rating5.00
  11. 2026-10-21reviews1rating5.00
  12. 2026-10-22reviews1rating5.00
  13. 2026-10-23reviews1rating5.00
  14. 2026-10-24reviews1rating5.00
  15. 2026-10-25reviews1rating5.00
  16. 2026-10-27reviews1rating5.00
  17. 2026-10-29reviews1rating5.00
  18. 2026-10-31reviews1rating5.00
  19. 2026-11-01reviews1rating5.00
Users
+25 since 31.08
19-75 · 31 readings
  1. 2026-08-3119
  2. 2026-09-0221
  3. 2026-09-0422
  4. 2026-09-0524
  5. 2026-09-0722
  6. 2026-09-0824
  7. 2026-09-1530
  8. 2026-09-2136
  9. 2026-09-2235
  10. 2026-09-2540
  11. 2026-09-2745
  12. 2026-09-2848
  13. 2026-10-0463
  14. 2026-10-0868
  15. 2026-10-0972
  16. 2026-10-1075
  17. 2026-10-1168
  18. 2026-10-1359
  19. 2026-10-1660
  20. 2026-10-1763
  21. 2026-10-1862
  22. 2026-10-1966
  23. 2026-10-2164
  24. 2026-10-2261
  25. 2026-10-2358
  26. 2026-10-2453
  27. 2026-10-2548
  28. 2026-10-2747
  29. 2026-10-2946
  30. 2026-10-3144
  31. 2026-11-0144
Rating
unchanged since 31.08
reviewsrating 5.00 · 31 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-15reviews1rating5.00
  8. 2026-09-21reviews1rating5.00
  9. 2026-09-22reviews1rating5.00
  10. 2026-09-25reviews1rating5.00
  11. 2026-09-27reviews1rating5.00
  12. 2026-09-28reviews1rating5.00
  13. 2026-10-04reviews1rating5.00
  14. 2026-10-08reviews1rating5.00
  15. 2026-10-09reviews1rating5.00
  16. 2026-10-10reviews1rating5.00
  17. 2026-10-11reviews1rating5.00
  18. 2026-10-13reviews1rating5.00
  19. 2026-10-16reviews1rating5.00
  20. 2026-10-17reviews1rating5.00
  21. 2026-10-18reviews1rating5.00
  22. 2026-10-19reviews1rating5.00
  23. 2026-10-21reviews1rating5.00
  24. 2026-10-22reviews1rating5.00
  25. 2026-10-23reviews1rating5.00
  26. 2026-10-24reviews1rating5.00
  27. 2026-10-25reviews1rating5.00
  28. 2026-10-27reviews1rating5.00
  29. 2026-10-29reviews1rating5.00
  30. 2026-10-31reviews1rating5.00
  31. 2026-11-01reviews1rating5.00

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • 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

Marcel publishes 2 listings we track, 57 users between them.

  1. Realistic Typer Marcel · Productivity · Tools · published 2026-03-19 13 users

Like this one

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

  1. SBGBook Grade Calculator Describes nearly the same job, smaller audience 11 users ★ 5.0
  2. Infinite Campus Grade Predictor Describes nearly the same job, smaller audience 967 users ★ 5.0
  3. ManageBac Grade Calculator Describes nearly the same job, smaller audience 644 users ★ 5.0
  4. UGA Grade Calculator Describes nearly the same job, smaller audience 6 users (last published figure)
  5. Google Classroom Grade Calculator | GCGC Describes nearly the same job, smaller audience 97 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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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-31. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built