# Calibre-Web

> A web interface for an existing Calibre ebook library

Category: Self hosted apps (https://aiarabicdev.com/self-hosted)
Canonical page: https://aiarabicdev.com/self-hosted/calibre-web
Tags: ebooks, calibre, reading, opds, python

Calibre-Web puts a browser front end on a Calibre library, so you can browse, read and download your ebooks from any device. It is GPL-3.0 licensed, written in Python, and relies on the database the Calibre desktop app creates.

## Facts

- Licence: GPL-3.0
- Language: Python
- Cost: Free and open source
- Self hostable: yes
- Added: 2026-10-25
- Last checked: 2026-10-25

## Links

- Source: https://github.com/janeczku/calibre-web

## Your Calibre library, from anywhere

Calibre is the long-standing desktop app for managing ebooks, and its library is a folder plus a metadata.db file. Calibre-Web reads that same library and gives you a clean web interface with search, shelves, a built-in reader, user accounts and an OPDS feed for e-reader apps.

It suits people who already curate their books in Calibre and want to reach them from a phone or tablet without copying files around. It can also send a book to an e-reader by email, which is handy for Kindle owners, and edit basic metadata from the browser.

## What running it costs

The app itself is light, a Python process using little RAM. The catch is the dependency on a Calibre library: you need an existing metadata.db, and format conversion only works if the Calibre binaries are installed alongside it. Back up the library folder and the Calibre-Web settings database.

Avoid having the Calibre desktop app and Calibre-Web write to the same library at the same time, because both edit the same database. Keep the server private unless you have thought through who can download what.

## Reach for it when

- you already manage your ebooks in Calibre
- you want to read or download your books from any device
- you send books to an e-reader and want to do it from a browser

## Watch out for

- it needs a library created by Calibre, it is not a standalone book manager
- format conversion requires the Calibre binaries installed next to it
- releases are irregular, and some users move to community forks for extra automation

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