Extensions

github.com/FoxRefire/Librezam Music Tools Open-source projectOpen source

The Song Recognition extension identifies music in a browser using the Shazam API.

github.com/FoxRefire/Librezam
Extensions homepage screenshot

About Extensions

Librezam is a browser extension that identifies music playing in the current browser tab. It uses Shazam's internal API to recognize songs. The project states that it is unofficial and is not affiliated with or supported by Shazam Ltd.

The source states that the extension does not make requests unrelated to music recognition, such as telemetry. Its code is published on GitHub under the AGPL-3.0 license, and the repository lists the third-party libraries and code it uses with their licenses.

Key features

  • Recognizes music playing in the current browser tab
  • Uses Shazam's internal API to identify songs
  • Includes separate manifest files for Chrome and Firefox
  • Makes no requests unrelated to music recognition, such as telemetry
  • Source code published under the AGPL-3.0 license
Best for: Users who want an open-source browser extension for song recognition and are comfortable using an unofficial tool that relies on Shazam's internal API.
Good for
  • Source code is publicly available under the AGPL-3.0 license
  • The project states it makes no telemetry requests
  • Lists its third-party libraries and their licenses
Watch out for
  • Unofficial project, not affiliated with or supported by Shazam Ltd.
  • Depends on Shazam's internal API rather than a public, documented interface

Extensions at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Browser extension
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Extensions FAQ

Is Librezam affiliated with Shazam?
No. The project states that it is unofficial and is not affiliated with or supported by Shazam Ltd.
Does the extension send telemetry?
The project states that it does not make requests unrelated to music recognition, such as telemetry.
What license does the project use?
The repository lists the AGPL-3.0 license.
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