Privacy Policy

Last updated: October 25, 2026

What we collect

• Account data: your name, email address and profile picture, when you sign in with Google or an email link.
• Files you upload for mastering, and the names and sizes of those files.
• Requests you make on the site, such as a full report or a free mastering sample.

How we use it

• To sign you in and show you your uploads and requests.
• To master your tracks and deliver the results to you.
• To contact you about your orders.

We do not sell your data and do not use it for advertising.

Where it is stored

• Uploaded files are stored in MasterDX's private Google Drive.
• Account and order records are stored in our database (Neon).
• Sign-in emails are sent through Resend.
• Tracks analyzed by the Dancefloor Checker are processed on our server and not kept.

Google user data

When you sign in with Google we receive only your basic profile (name, email, picture). We do not access your Google Drive or any other Google data. MasterDX's use of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

Your choices

You can ask us to delete your account, your uploaded files or any data we hold about you at any time by emailing centurioncassio@gmail.com.