UMD - Unified Music Metadata by Zamus

Show unified music metadata on Spotify, Apple Music, Deezer, YouTube Music, and Tidal. Click the icon to see ISRC, UPC, cross-platform links, and per-provider sources via the Unified Music Data API.

Available on Firefox for Android™

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About this extension

UMD Music Metadata shows unified music information for the page you're listening to on supported streaming services.

How it works
1. Get a free API key at unifiedmusicdata.org (links scope)
2. Open a track, album, or artist page on a supported DSP
3. Click the UMD toolbar icon

Features
- Unified profile — title, artists, ISRC, UPC, label, release date, artwork, explicit flag, and more
- Per-provider sources — compare metadata from each DSP side by side
- Cross-platform links — jump to the same release on other services

Supported sites
Spotify, Apple Music, Deezer, YouTube / YouTube Music, Tidal

Privacy
Runs only when you click the icon — no background browsing tracking. Requires your UMD API key, stored locally in browser sync storage. The current tab URL is sent to api.unifiedmusicdata.org to fetch metadata.

Privacy policy: https://unifiedmusicdata.org/privacy

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Permissions and data

Required permissions:

Access your data for sites in the deezer.com domain
Access your data for sites in the music.apple.com domain
Access your data for sites in the spotify.com domain
Access your data for sites in the tidal.com domain
Access your data for sites in the youtube.com domain
Access your data for listen.tidal.com
Access your data for music.youtube.com

Optional permissions:

Access your data for sites in the spotify.com domain
Access your data for sites in the deezer.com domain
Access your data for sites in the music.apple.com domain
Access your data for sites in the youtube.com domain
Access your data for sites in the tidal.com domain
Access your data for music.youtube.com
Access your data for listen.tidal.com
Access your data for api.unifiedmusicdata.org

Required data collection, according to the developer:

Authentication information
Website activity