What makes Soundiiz legitimate?
How Soundiiz connects to music accounts
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Soundiiz sends you to the music service
When OAuth is available, the sign-in and permission page is hosted by Spotify, Apple, Google, or the other provider—not by Soundiiz. -
You approve the displayed permissions
Soundiiz does not receive the password entered on that provider-hosted page. The provider returns an access token for the permissions you approved. -
You remain in control
You can disconnect a service in Soundiiz and revoke its authorization from the music service's own account settings.
A few services do not offer an OAuth flow and require another connection method. Those connection details are sent over encrypted HTTPS. Only enter them through the official Soundiiz website or app, and never send credentials to Support.
What Soundiiz can access
Access depends on the service and the permissions shown during authorization. It can include your service identifier, playlists, playlist tracks, liked tracks, saved albums, followed artists, and the ability to create or update supported items when you request it.
A standard transfer copies matched items to the destination and does not delete them from the source. Separate management actions can modify or delete content only when you explicitly choose and confirm that action. See what happens to source playlists and favorites during a transfer.
How Soundiiz uses and protects data
Soundiiz uses connected-account data to display your music collection and perform the transfers, Syncs, Smartlinks, or management operations you request. It does not build advertising profiles from your music collection or monetize that data by selling it.
Limited information can be processed by technical providers when necessary to operate the service—for example, Stripe, Apple, or Google for a payment. This operational processing is not the sale of user data.
The Soundiiz Privacy Policy covers both soundiiz.com and sdz.sh. It also explains the limited-use rules applied to information received through Google and Spotify APIs.
Protect your account
Is sdz.sh an official Soundiiz domain?
Yes. Soundiiz operates sdz.sh for its Smartlink feature. A Smartlink groups links to music across several services on one shareable page. Official links can use sdz.sh itself or a subdomain that ends in .sdz.sh.
Learn more in the Soundiiz Smartlink guide.
Account deletion and payment data
You can request permanent deletion of your Soundiiz account and associated data. Follow the account deletion and GDPR guide, then revoke Soundiiz access from any previously connected service if needed.
Website payments are processed by Stripe, while iOS and Android purchases are billed by Apple or Google Play. Soundiiz does not store full card details on its servers. See payment methods and the bank-statement name.
Frequently Asked Questions
Does Soundiiz sell playlists or listening data?
No. Soundiiz does not sell personal data, connected music-library data, authorization tokens, or user activity data.
Can Soundiiz see my music-service password?
With OAuth, no: the password is entered on the provider's own page and Soundiiz receives an access token. For any alternative connection, use only the official Soundiiz website or app.
Will a normal transfer delete my source playlist?
No. A transfer copies matched items to the destination. Deletion or management actions happen only when you explicitly choose them.