← Mixtape Master

Privacy Policy

Last updated: 2026-03-04

1. Who we are

Mixtape Master ("we", "us", "our") is a web application available at www.mixtapemaster.app that converts local music library folders into streaming playlists.

Contact: support@mixtapemaster.app

2. What data we collect

  • Account information: your name and email address, collected when you sign in via Google, Facebook, or email/password.
  • Music metadata: file names, track titles, artist names, album names, and ISRC codes from the audio files you choose to process. This data is processed locally in your browser and only sent to our servers to perform playlist matching.
  • Streaming service tokens: OAuth access tokens for Tidal and/or Spotify, stored securely in an encrypted session. We never store your streaming service password.
  • Usage data: basic logs of actions performed (e.g. playlist created, tracks matched) for debugging and service improvement. No browsing history is collected.
  • Payment data: if you upgrade to Pro, payment is processed by Stripe. We do not store card numbers — only a Stripe payment reference.

3. How we use your data

  • To provide the core service: matching your music and creating playlists.
  • To manage your account and subscription.
  • To send transactional emails (e.g. email verification, password reset).
  • To improve the service through anonymised usage analytics.

We do not sell your data to third parties.

4. Third-party services

  • Supabase — authentication and database hosting (EU — Frankfurt).
  • Vercel — web hosting and edge functions.
  • Stripe — payment processing.
  • Google / Facebook — optional OAuth sign-in providers.
  • Tidal / Spotify — streaming platform APIs used to create playlists on your behalf.
  • MusicBrainz / Last.fm — public music databases used for track matching (no personal data is sent).

5. Data retention

Your account data is retained for as long as your account is active. If you delete your account, all personal data is removed within 30 days. Anonymised logs may be retained for up to 12 months.

6. Your rights

You have the right to:

  • Access the personal data we hold about you.
  • Request correction of inaccurate data.
  • Request deletion of your data (see our Data Deletion page).
  • Withdraw consent for data processing at any time.

To exercise these rights, contact us at support@mixtapemaster.app or visit our Data Deletion page.

7. Cookies

We use strictly necessary cookies to maintain your authenticated session. We do not use tracking or advertising cookies.

8. Changes to this policy

We may update this policy from time to time. The "Last updated" date at the top of this page will reflect any changes. Continued use of the service after changes constitutes acceptance.