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Nebulearn: AI Flashcard Maker

Chrome extension by Daniel Hong · Productivity · Education

  • Established publisher

A Chrome extension in Productivity · Education with 401 users, barely installed. Audience over the last 30 days: +23.

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
401
Rating
5.0 (66 ratings)
Users, last 30 days
+23
Rating, last 30 days
Steady over 30 days
Version
1.1.15
Updated in the store
2026-09-25
Published
2026-03-14
Manifest
V3
Browser access
8 permissions, 3 site patterns

How it has moved

Users
+23 since 08.10
376-409 · 20 readings
  1. 2026-10-08378
  2. 2026-10-09376
  3. 2026-10-10383
  4. 2026-10-13388
  5. 2026-10-16389
  6. 2026-10-17382
  7. 2026-10-18384
  8. 2026-10-19388
  9. 2026-10-20398
  10. 2026-10-21394
  11. 2026-10-22399
  12. 2026-10-23396
  13. 2026-10-24400
  14. 2026-10-25406
  15. 2026-10-28408
  16. 2026-10-29409
  17. 2026-11-01408
  18. 2026-11-03403
  19. 2026-11-06398
  20. 2026-11-07401
Rating
-0.015 since 08.10
reviewsrating 4.985-5.000 · 20 readings
  1. 2026-10-08reviews65rating5.000
  2. 2026-10-09reviews65rating5.000
  3. 2026-10-10reviews65rating5.000
  4. 2026-10-13reviews65rating5.000
  5. 2026-10-16reviews65rating5.000
  6. 2026-10-17reviews65rating5.000
  7. 2026-10-18reviews65rating5.000
  8. 2026-10-19reviews65rating5.000
  9. 2026-10-20reviews65rating5.000
  10. 2026-10-21reviews65rating5.000
  11. 2026-10-22reviews65rating5.000
  12. 2026-10-23reviews65rating5.000
  13. 2026-10-24reviews65rating5.000
  14. 2026-10-25reviews65rating5.000
  15. 2026-10-28reviews66rating4.985
  16. 2026-10-29reviews66rating4.985
  17. 2026-11-01reviews66rating4.985
  18. 2026-11-03reviews66rating4.985
  19. 2026-11-06reviews66rating4.985
  20. 2026-11-07reviews66rating4.985
Users
+170 since 01.09
231-409 · 36 readings
2026-09-08: released 1.1.132026-09-12: released 1.1.142026-09-25: released 1.1.15
  1. 2026-09-01231
  2. 2026-09-02247
  3. 2026-09-04258
  4. 2026-09-05255
  5. 2026-09-07257
  6. 2026-09-08267released 1.1.13
  7. 2026-09-09278
  8. 2026-09-13294
  9. 2026-09-15298
  10. 2026-09-17319
  11. 2026-09-20337
  12. 2026-09-21342
  13. 2026-09-25350released 1.1.15
  14. 2026-09-26352
  15. 2026-09-28361
  16. 2026-10-04373
  17. 2026-10-08378
  18. 2026-10-09376
  19. 2026-10-10383
  20. 2026-10-13388
  21. 2026-10-16389
  22. 2026-10-17382
  23. 2026-10-18384
  24. 2026-10-19388
  25. 2026-10-20398
  26. 2026-10-21394
  27. 2026-10-22399
  28. 2026-10-23396
  29. 2026-10-24400
  30. 2026-10-25406
  31. 2026-10-28408
  32. 2026-10-29409
  33. 2026-11-01408
  34. 2026-11-03403
  35. 2026-11-06398
  36. 2026-11-07401
Rating
-0.015 since 01.09
reviewsrating 4.985-5.000 · 36 readings
2026-09-08: released 1.1.132026-09-12: released 1.1.142026-09-25: released 1.1.15
  1. 2026-09-01reviews64rating5.000
  2. 2026-09-02reviews64rating5.000
  3. 2026-09-04reviews64rating5.000
  4. 2026-09-05reviews64rating5.000
  5. 2026-09-07reviews64rating5.000
  6. 2026-09-08reviews64rating5.000released 1.1.13
  7. 2026-09-09reviews64rating5.000
  8. 2026-09-13reviews64rating5.000
  9. 2026-09-15reviews64rating5.000
  10. 2026-09-17reviews64rating5.000
  11. 2026-09-20reviews64rating5.000
  12. 2026-09-21reviews64rating5.000
  13. 2026-09-25reviews65rating5.000released 1.1.15
  14. 2026-09-26reviews65rating5.000
  15. 2026-09-28reviews65rating5.000
  16. 2026-10-04reviews65rating5.000
  17. 2026-10-08reviews65rating5.000
  18. 2026-10-09reviews65rating5.000
  19. 2026-10-10reviews65rating5.000
  20. 2026-10-13reviews65rating5.000
  21. 2026-10-16reviews65rating5.000
  22. 2026-10-17reviews65rating5.000
  23. 2026-10-18reviews65rating5.000
  24. 2026-10-19reviews65rating5.000
  25. 2026-10-20reviews65rating5.000
  26. 2026-10-21reviews65rating5.000
  27. 2026-10-22reviews65rating5.000
  28. 2026-10-23reviews65rating5.000
  29. 2026-10-24reviews65rating5.000
  30. 2026-10-25reviews65rating5.000
  31. 2026-10-28reviews66rating4.985
  32. 2026-10-29reviews66rating4.985
  33. 2026-11-01reviews66rating4.985
  34. 2026-11-03reviews66rating4.985
  35. 2026-11-06reviews66rating4.985
  36. 2026-11-07reviews66rating4.985

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.

Show the remaining 5

The full permission history for this extension

Version history

  1. Version 1.1.15
  2. Version 1.1.14
  3. Version 1.1.13

What changed recently

  1. Package size changed
  2. Store description rewritten
  3. Released version 1.1.15 (was 1.1.14)
Show the remaining 3
  1. Package size changed
  2. Released version 1.1.14 (was 1.1.13)
  3. Released version 1.1.13 (was 1.1.12)

The publisher

Daniel Hong. Listed website: nebulearn.app.

Like this one

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

  1. Anki generator, powered by open ai GPT Describes nearly the same job, smaller audience 888 users ★ 4.2
  2. AI Flashcard Generator Describes nearly the same job, smaller audience 13 users
  3. NoteGPT: AI Flashcard for Quizlet and Cram Describes nearly the same job, smaller audience 8k users ★ 3.7
  4. AI FlashMob Describes nearly the same job, smaller audience 8 users
  5. AI Flashcard Maker Describes nearly the same job, smaller audience 202 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 2026-11-07. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built