Support
Get fast help with billing, cancellations, and troubleshooting.
Need Help?
Email: [email protected]
Technical Issues
Music Demixer runs processing through secure cloud services. Your browser still handles file upload, playback, and download/export steps.
Recommended setup:
- Latest Chrome, Safari, Edge, or Firefox
- Stable internet connection
- Enough free system memory for large uploads and exports
If you get repeated crashing or failed jobs, try the following:
- Reload the tab (hard refresh if needed) or restart your browser
- Close other applications or browser tabs that are using a lot of memory
- Use an incognito/private window or turn off adblockers to rule out browser extension issues
- Try a smaller clip first to confirm the workflow, then process the full file
Most processing runs in the cloud, but very large files can still use noticeable browser resources during upload, preview, and export.
How to Cancel
- Click “👤 Manage Account ▼” in the top-right of the website
- Click “Manage Subscription & Billing” and follow the instructions to access your Stripe billing portal
- Click “Cancel subscription” from the Stripe billing portal
Your access continues until the end of your billing period.
Billing Questions
Trial length: 3 days from signup
Need a refund?: Contact [email protected].
Billing help? Forgot to cancel?: Satisfaction guaranteed. Email [email protected] within 7 days of any charge and we’ll pause, prorate, or refund after a quick check. Cancel in Manage Account to stop future renewals.
Update payment method: Click “Manage Account” → “Update payment method”
What happens if I file a chargeback? Filing a chargeback or payment dispute will result in immediate account termination and permanent loss of access to all services. For billing issues, contact [email protected] before initiating any dispute with your payment provider. We are happy to help you.