Library Extension
Browser extension checks Amazon and Audible against your library's catalog, free.
Quick facts
- Price model
- Free
- Starting price
- Free
- Best for
- Library card holders · Book shoppers · Audiobook borrowers
- Replaces
- Buying books you could borrow, Audible impulse purchases
- Platforms
- Web
- Last verified
- 2026-06-22
Why it's listed
Surfaces the card you already have, savings without another subscription.
Library Extension shows whether books, ebooks, and audiobooks are available at your local library while you browse retailers. Cuts impulse Audible and Amazon buys when Libby or the physical branch already has the title.
The catch
Coverage varies by library system; not every title will be available.
Good fit for
- Avid readers
- Parents buying kids' books
Not ideal for
- Areas with weak library digital collections
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