Privacy Policy

1. Introduction

Wei Chen ("we", "us", or "our") operates the SegmentKit SDK and the segmentkit.dev website. This Privacy Policy describes how we collect, use, and protect your personal information.

2. Information We Collect

Information you provide:

• Email address (when registering for a trial or subscribing)
• Payment information (processed by Paddle; we do not store payment details)

Information collected automatically:

• Standard web analytics (page views, referrer) via privacy-friendly analytics

Information the SDK does NOT collect:

• The SDK runs entirely on-device and does not transmit any data to our servers
• No video frames, images, or segmentation results leave the device
• No usage telemetry or analytics are collected by the SDK
• License validation is performed offline using Ed25519 signature verification

3. How We Use Your Information

• To generate and deliver license keys to your email
• To process payments and manage subscriptions (via Paddle)
• To send important service announcements (e.g., license expiry reminders)
• To respond to support inquiries

We do not sell your personal information to third parties. We do not send marketing emails unless you explicitly opt in.

4. Payment Processing

All payments are processed by Paddle.com Market Limited, who acts as our Merchant of Record. Paddle collects and processes payment information in accordance with their own Privacy Policy. We do not have access to your full credit card number or bank account details.

5. Data Retention

We retain your email address and license information for as long as your account is active or as needed to provide the service. If you cancel your subscription, we will retain your information for a reasonable period to comply with legal obligations and resolve disputes.

6. Data Security

We implement reasonable technical and organizational measures to protect your personal information. License keys are signed using Ed25519 cryptography. All web traffic is encrypted via HTTPS.

7. 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
• Withdraw consent for data processing

To exercise these rights, contact us at chenweisomebody@gmail.com.

8. Cookies

Our website uses only essential cookies required for site functionality. We do not use advertising or tracking cookies.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify subscribers of material changes via email. The latest version will always be available at this URL.

10. Contact

For privacy-related questions, contact us at chenweisomebody@gmail.com.