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Library Extension

Chrome extension by Quotidian LLC · Productivity · Tools

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  • Established publisher
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A Chrome extension in Productivity · Tools with 100 000 users, a widely installed extension.

Specific sites only: 2 match patterns.

What the developer says, and 4 screenshots

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

Users
100 000
Rating
4.9 (3 758 ratings)
Users, last 17 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
2026.914.1
Updated in the store
2026-09-15
Published
2010-12-16
Manifest
V3
Browser access
3 permissions, 2 site patterns

How it has moved

Users
unchanged since 01.09
100k · 5 readings
2026-09-14: released 2026.913.12026-09-15: released 2026.914.1
  1. 2026-09-01100k
  2. 2026-09-03100k
  3. 2026-09-07100k
  4. 2026-09-13100k
  5. 2026-09-17100k
Rating
unchanged since 01.09
reviewsrating 4.90 · 5 readings
2026-09-14: released 2026.913.12026-09-15: released 2026.914.1
  1. 2026-09-01reviews3.8krating4.90
  2. 2026-09-03reviews3.8krating4.90
  3. 2026-09-07reviews3.8krating4.90
  4. 2026-09-13reviews3.8krating4.90
  5. 2026-09-17reviews3.8krating4.90
Users
unchanged since 01.09
100k · 5 readings
2026-09-14: released 2026.913.12026-09-15: released 2026.914.1
  1. 2026-09-01100k
  2. 2026-09-03100k
  3. 2026-09-07100k
  4. 2026-09-13100k
  5. 2026-09-17100k
Rating
unchanged since 01.09
reviewsrating 4.90 · 5 readings
2026-09-14: released 2026.913.12026-09-15: released 2026.914.1
  1. 2026-09-01reviews3.8krating4.90
  2. 2026-09-03reviews3.8krating4.90
  3. 2026-09-07reviews3.8krating4.90
  4. 2026-09-13reviews3.8krating4.90
  5. 2026-09-17reviews3.8krating4.90

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: 2 match patterns.

  • http://*/
  • https://*/
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Run work in a hidden page offscreen

The full permission history for this extension

Version history

  1. Version 2026.914.1
  2. Version 2026.913.1

What changed recently

  1. Package size changed
  2. Released version 2026.914.1 (was 2026.913.1)
  3. Package size changed
Show the remaining 1
  1. Released version 2026.913.1 (was 2026.814.2)

The publisher

Quotidian LLC. Listed website: libraryextension.com.

Like this one

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

  1. Goodreads Library Checker Describes nearly the same job, smaller audience 6 users
  2. Goodreads to Libby Describes nearly the same job, smaller audience 2 users
  3. Leitner Describes nearly the same job, smaller audience 4 users (last published figure)
  4. GoodLib - Scan Libby Availability for Goodreads Books Describes nearly the same job, smaller audience 130 users ★ 1.0
  5. Book More Describes nearly the same job, smaller audience 200 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.