Explore the app

Know your books. Find your next one.

Turn your collection into a personal library you can check from your phone. Catalog books, organize shelves and remember who borrowed a copy with Niblio.

  • Custom bookshelves
  • Series and reading status
  • Book loan tracking
Try Niblio for free

iOS & Android · Up to 100 books free · No subscription

A personal library organized into shelves in Niblio, shown in Spanish
A shelf can stand for a place in your home or a category of your own. Screenshot of the app in Spanish.

Start with the books you already own

A book inventory helps when your collection is spread across rooms, you accidentally buy a title twice or you lose track of borrowed books. Start with one shelf and add the rest at your own pace.

Niblio lets you add a book by scanning its barcode, searching by title, author or ISBN, or entering the details manually. Check the edition and cover before you finish the entry.

Organize by location or by your own categories

Name your shelves after real places, such as “Living room” or “Bedroom”, to remember where to look for a copy. You can also choose categories that make sense to you.

Reading status answers a different question: what is pending, what you are reading and what you have finished. Keeping location and reading status separate makes both easier to use.

What you needHow to organize it
Find a book at homeA shelf named after its location.
Remember what to read nextPending status and library filters.
Bring a series togetherA series with its volumes in order.
Remember who has a copyA book loan record.

Keep series together and loans accounted for

Group the books in a series, arrange them and see their covers together. You can create as many series as you need, including in the free version. The free limit applies to the total number of books in your library.

When you lend a book, record who borrowed it. Niblio also tracks books borrowed from others and keeps a history of loans and returns.

Keep a copy of your catalog

Your library is stored locally on your device with no account required. The backup system lets you export and import your collection. Keep a copy somewhere you can reach if you lose or replace your phone.

All features are free for up to 100 books. If your library grows, Niblio Unlimited removes the book limit with a one-time purchase and no subscription.

Read our privacy policy →

Frequently asked questions

Can I catalog books without an ISBN?

Yes. Search by title or author, or enter the details manually. This is useful for older books and editions you cannot find in the catalog.

Are series available in the free version?

Yes. The free version includes all features and unlimited series. Its 100-book limit applies to the books in your library.

Can I keep track of books I lend?

Yes. Niblio tracks books you lend and books you borrow, with a history of loans and returns.

Get Niblio for free

Download Niblio completely free of charge and try all features without exception.
The free version has a generous limit of up to 100 books.

Full functionality
Privacy by default
No registrations or accounts

Niblio Unlimited

We know you don't like subscriptions.
Neither do we, that's why Niblio has none. If you ever need to register more than 100 books or simply want to help make the project sustainable, there is Niblio Unlimited, a one-time payment and that's it.

Unlimited books
One-time payment, no subscriptions
Everything included in the free version