Privacy Policy

Last updated: March 2026

1. Introduction

Stemkit ("we", "our", "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our audio separation service.

2. Information We Collect

Account Information

When you create an account, we collect your email address and authentication credentials. If you sign in with Google, we receive your name and email from Google.

Audio Files

When you upload audio files or provide YouTube links, we process them temporarily to perform audio separation. Files are processed and stored temporarily for you to download results.

Usage Data

We collect anonymous analytics data including page views, referrer information, device type, and country. This data helps us improve our service.

3. How We Use Your Information

  • To provide and maintain our audio separation service
  • To process your audio files and deliver results
  • To manage your account and subscription
  • To improve our service through anonymous analytics
  • To communicate important updates about our service

4. Data Retention

Uploaded audio files and processed results are stored temporarily and automatically deleted. Account information is retained as long as your account is active.

5. Data Sharing

We do not sell your personal data. We use the following third-party services:

  • Supabase — authentication and database hosting
  • Stripe — payment processing (we never see your full card details)
  • Vercel — website hosting

6. Your Rights

Under GDPR and applicable privacy laws, you have the right to:

  • Access your personal data
  • Request correction of your data
  • Request deletion of your account and data
  • Export your data
  • Withdraw consent at any time

7. Cookies

We use essential cookies for authentication and language preferences. We use anonymous analytics to understand usage patterns. No third-party advertising cookies are used.

8. Security

We implement industry-standard security measures including HTTPS encryption, secure authentication, and regular security reviews.

9. Contact

For any privacy-related questions or requests, please contact us at privacy@stemkit.app.