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NotebookLM Source Uploader

Chrome extension by karel.test.special · Productivity · Tools

A Chrome extension in Productivity · Tools with 392 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 3 screenshots

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

Users
392
Rating
5.0 (1 ratings)
Users, last 17 days
+10
Rating, last 30 days
Not watched long enough to say
Version
1.2
Updated in the store
2026-04-24
Published
2025-07-09
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+10 since 01.09
366-392 · 10 readings
  1. 2026-09-01382
  2. 2026-09-02381
  3. 2026-09-03380
  4. 2026-09-04372
  5. 2026-09-06371
  6. 2026-09-09366
  7. 2026-09-10380
  8. 2026-09-13385
  9. 2026-09-15391
  10. 2026-09-17392
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-03reviews1rating5.00
  4. 2026-09-04reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-17reviews1rating5.00
Users
+10 since 01.09
366-392 · 10 readings
  1. 2026-09-01382
  2. 2026-09-02381
  3. 2026-09-03380
  4. 2026-09-04372
  5. 2026-09-06371
  6. 2026-09-09366
  7. 2026-09-10380
  8. 2026-09-13385
  9. 2026-09-15391
  10. 2026-09-17392
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-03reviews1rating5.00
  4. 2026-09-04reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-17reviews1rating5.00

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

Specific sites only: 1 match pattern.

  • https://notebooklm.google.com/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

karel.test.special publishes 10 listings we track, 2k users between them.

  1. Google AI Studio - File Reader karel.test.special · Productivity · Tools · published 2025-08-08 841 users ★ 4.3
  2. Battery Percentage karel.test.special · Productivity · Tools · published 2025-07-09 460 users ★ 4.5
  3. YouTube Playlist Collector karel.test.special · Productivity · Tools · published 2025-07-08 137 users ★ 5.0
Show 5 more from this publisher
  1. YouTube Rightclick Link Collector karel.test.special · Productivity · Tools · published 2025-07-02 93 users ★ 4.2
  2. Slim Window Video Viewer karel.test.special · Productivity · Tools · published 2025-09-07 82 users ★ 5.0
  3. Very Practical Clock & Notepad karel.test.special · Productivity · Workflow · published 2025-06-16 51 users ★ 5.0
  4. MD Reader karel.test.special · Productivity · Tools · published 2026-01-17 49 users ★ 5.0
  5. NewTab Startpage Organizer Dashboard karel.test.special · Productivity · Workflow · published 2025-08-25 26 users ★ 5.0

Like this one

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

  1. NotebookLM Source Adder Describes nearly the same job, smaller audience 63 users ★ 5.0
  2. NotebookLM - Youtube Link (Source) Automator Describes nearly the same job, with an established audience 10k users ★ 4.1
  3. NotebookLM Tab Importer Describes nearly the same job, smaller audience 77 users ★ 5.0
  4. NotebookLM Companion Describes nearly the same job, smaller audience 6 users
  5. Quick Add for NotebookLM: Save Web & YouTube Describes nearly the same job, smaller audience 394 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.

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.