Library Extension

See books, music and more at your local library as you browse the internet

Users90K

Rating4.9

Reviews3,736

Manifest versionV3

7-day growth0

7-day growth rate0%

Preview

Library Extension Media preview

5 assets

Trend

30-day user trend

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User Growth Over Time

Rating trend

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30-day rating change

Start

4.90

Latest

4.90

30-day rating change

0.00

2026年5月29日2026年6月4日

Growth overview

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1-day growthFlat

00%

7-day growthFlat

00%

30-day growthFlat

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Technical snapshot

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Version2026.309.1

ManifestV3

Size301KiB

Languages1English

Published--

Store updated--

Last crawled--

Overview

Product summary

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See instant availability information for books, music, and audiobooks from catalogs offered by your local libraries as you browse various sites.

We currently support over 5000 libraries around the world. Find our complete list of supported libraries at https://www.libraryextension.com/supported-libraries

If you do not find your library supported, please visit our feedback page at https://www.libraryextension.com/contact-us - we're always happy to add new libraries!

Reviews

Recent review snapshot

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The Chrome Web Store shows 3,736 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5★

4★

3★

2★

1★

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AI product read

Shows instant availability of books, music, and audiobooks from your local library catalogs as you browse online bookstores and media sites

Saves users time by automatically checking local library availability while they browse sites like Amazon, Goodreads, Barnes & Noble, Audible, etc., eliminating the need to manually search each library catalog separately

User installs extension and selects their local library from 5000+ supported libraries. When browsing supported sites (Amazon, B&N, Audible, etc.), the extension injects an overlay showing real-time availability of the current book/music/audiobook at the user's library, with options to place holds or check out.

Target users: Library patrons who browse online bookstores / Readers who want to check library availability before purchasing / Users with access to public library systems worldwide

Could not verify the exact behavior of all 5000+ library catalog integrations—some may have their own authentication requirements beyond what the extension exposes
The support-us page content could not be inspected to confirm it is purely donation-based vs. having tiers

Monetization

No paid features detected

No evidence of any paid features, premium tiers, subscription plans, payment processing, or gated functionality within the extension. Searches for premium, subscription (in extension context), stripe, payment, and billing returned no relevant results. The 'support-us' links are voluntary donation/support requests, not paywalls. All 'pro' keyword matches were false positives (e.g., 'Promise', 'properly', 'proxy', 'problem').

Confidence: 95
Payment platform: --
Source: AI / High
Login required: Needs review
Reason: The extension optionally supports logging into the user's local library catalog system (destination service) to enable features like placing holds or checking out items. However, the core workflow—browsing sites like Amazon and seeing library availability—works without any login. No extension account is required. The login is for the user's own library catalog, not for the extension itself.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：scripting、tabs
同时具备浏览数据与站点访问能力

Publisher

Quotidian LLC

Andrew Abrahamowicz

Email: [email protected]
Phone: +12065886431
Address: 4957 Lakemont Blvd SE Ste C-4 #313 BELLEVUE, WA 98006 US

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Permissions

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