Privacy Policy

Last updated: February 14, 2026

Summary: Free browser tools run entirely in your browser - we don't collect or see your data. API users share request data with us for processing. We don't sell your data.

1. Who We Are

HearthByte LLC ("HearthByte", "we", "us") provides Ensemble design tools and the Ensemble API. This Privacy Policy explains how we collect, use, and protect your information.

2. Information We Collect

Free Browser Tools

The Ensemble browser tools (Harmony, Duet, Tempo, Compose, etc.) run entirely in your browser. We do not:

All data is stored in your browser's localStorage and never leaves your device.

Ensemble API

When you use the API, we collect:

Data Purpose Retention
API requests Process your requests, enforce rate limits 30 days (logs), then deleted
Email address Account management, support Until account deletion
Payment info Process subscriptions (via Stripe) Handled by Stripe
Usage metrics Billing, rate limiting Duration of subscription

Website Analytics

We may use privacy-respecting analytics to understand how people find and use our website. We do not use Google Analytics or any tracker that sells data.

3. How We Use Your Information

We use collected information to:

4. Information Sharing

We do NOT sell your personal information. We may share data with:

5. Data Security

We implement industry-standard security measures including:

6. Your Rights

You have the right to:

To exercise these rights, contact [email protected].

7. Cookies

We use minimal cookies:

We do not use advertising or tracking cookies.

8. Children's Privacy

Our Services are not directed to children under 13. We do not knowingly collect information from children under 13.

9. International Users

HearthByte is based in the United States. If you access our Services from outside the US, your information may be transferred to and processed in the US.

GDPR (European Users)

If you are in the European Economic Area, you have additional rights under GDPR including the right to lodge a complaint with your local data protection authority.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting a notice on our website.

11. Contact Us

Questions about this Privacy Policy?

Email: [email protected]