# Calibre privacy rating

Free and open-source e-book manager for organizing, converting and reading e-books, with a built-in viewer, editor and device syncing.

## Summary

Calibre scores 50 out of 100 (grade D) on the ebook readers criteria. It meets 2 of 4 criteria: open source and no ads or data sales. It does not meet no trackers or telemetry and independent audit.

- Website: https://calibre-ebook.com
- Source code: https://github.com/kovidgoyal/calibre
- License: GPL-3.0
- Platforms: Windows, macOS, Linux
- Home page trackers: Google Analytics, Google Tag Manager
- Category: [Ebook readers](https://privacyratings.com/ebook-readers/)
- Grade: D (50/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | Licensed under GPL-3.0. | https://raw.githubusercontent.com/kovidgoyal/calibre/master/LICENSE |
| No trackers or telemetry | No | The website loads Google Analytics. The desktop app has no analytics. | https://calibre-ebook.com |
| No ads or data sales | Yes | Free software funded by donations, with no ads. | https://calibre-ebook.com/donate |
| Independent audit | No | No independent audit is published. |  |

Source: https://privacyratings.com/ebook-readers/calibre/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/ebook-readers/calibre.md