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Nebulearn: AI Flashcard Maker

Chrome extension by Daniel Hong · Productivity · Education

  • Established publisher

A Chrome extension in Productivity · Education with 278 users, barely installed.

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
278
Rating
5.0 (64 ratings)
Users, last 11 days
+47
Rating, last 30 days
Not watched long enough to say
Version
1.1.13
Updated in the store
2026-09-08
Published
2026-03-14
Manifest
V3
Browser access
8 permissions, 3 site patterns

How it has moved

Users
+47 since 01.09
231-278 · 8 readings
2026-09-08: released 1.1.13
  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. 2026-09-11278
Rating
unchanged since 01.09
reviewsrating 5.00 · 8 readings
2026-09-08: released 1.1.13
  1. 2026-09-01reviews64rating5.00
  2. 2026-09-02reviews64rating5.00
  3. 2026-09-04reviews64rating5.00
  4. 2026-09-05reviews64rating5.00
  5. 2026-09-07reviews64rating5.00
  6. 2026-09-08reviews64rating5.00released 1.1.13
  7. 2026-09-09reviews64rating5.00
  8. 2026-09-11reviews64rating5.00
Users
+47 since 01.09
231-278 · 8 readings
2026-09-08: released 1.1.13
  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. 2026-09-11278
Rating
unchanged since 01.09
reviewsrating 5.00 · 8 readings
2026-09-08: released 1.1.13
  1. 2026-09-01reviews64rating5.00
  2. 2026-09-02reviews64rating5.00
  3. 2026-09-04reviews64rating5.00
  4. 2026-09-05reviews64rating5.00
  5. 2026-09-07reviews64rating5.00
  6. 2026-09-08reviews64rating5.00released 1.1.13
  7. 2026-09-09reviews64rating5.00
  8. 2026-09-11reviews64rating5.00

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

  • Read what you have copied clipboardRead
  • Sign you in with a Google account identity
  • Act on the current tab, but only after you click it activeTab
Show the remaining 5
  • Schedule work to run later alarms
  • Put data on your clipboard clipboardWrite
  • Add items to the right-click menu contextMenus
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.1.13

What changed recently

  1. 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 871 users ★ 4.2
  2. Flashcard Generator Describes nearly the same job, smaller audience 140 users ★ 5.0
  3. FlashWave AI Flashcards Describes nearly the same job, smaller audience 20 users ★ 5.0
  4. AI Flashcard Generator Describes nearly the same job, smaller audience 8 users
  5. MemoSwift - Smart Flashcard Creator Describes nearly the same job, smaller audience 8 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.