# Technical Documentation: kovidgoyal/calibre

> ℹ️ **Provenance:** Standard README.md · [CodeWiki Reference](https://codewiki.google/github.com/kovidgoyal/calibre) · Recency: Active (< 180 days)

# calibre



calibre is an e-book manager. It can view, convert, edit and catalog e-books 
in all of the major e-book formats. It can also talk to e-book reader 
devices. It can go out to the internet and fetch metadata for your books. 
It can download newspapers and convert them into e-books for convenient 
reading. It is cross platform, running on Linux, Windows and macOS.

For more information, see the [calibre About page](https://calibre-ebook.com/about).

[](https://github.com/kovidgoyal/calibre/actions?query=workflow%3ACI)

## Screenshots  

[Screenshots page](https://calibre-ebook.com/demo)

## Usage

See the [User Manual](https://manual.calibre-ebook.com).

## Development

[Setting up a development environment for calibre](https://manual.calibre-ebook.com/develop.html).

A [tarball of the source code](https://calibre-ebook.com/dist/src) for the 
current calibre release.

## Bugs

Bug reports and feature requests should be made in the calibre bug tracker at [Launchpad](https://bugs.launchpad.net/calibre).
GitHub is only used for code hosting and pull requests.

## Support calibre

calibre is a result of the efforts of many volunteers from all over the world.
If you find it useful, please consider contributing to support its development.
[Donate to support calibre development](https://calibre-ebook.com/donate).

## Building calibre binaries

See [Build instructions](bypy/README.rst) for instructions on how to build the
calibre binaries and installers for all the platforms calibre supports.

## calibre package versions in various repositories

[](https://repology.org/project/calibre/versions)

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