Privacy Policy
Last updated: August 14, 2026
1. Introduction
Terahertz, Inc. (“we,” “us,” or “our”) operates Japchae.ai (part of the Kimchee Network) (“the Service”). This Privacy Policy explains how we collect, use, and protect your information when you use Japchae.ai.
2. Information We Collect
- Account information: Email address, display name, and authentication credentials if you create or sign in to an account (including via Google).
- Usage data: Pages viewed, feature use, and general analytics to improve the Service.
- Communications: Messages you send to info@japchae.ai, legal@japchae.ai, or support@japchae.ai.
3. How We Use Your Information
- To operate and improve Japchae.ai and the Kimchee Network
- To authenticate you and secure your account
- To respond to support, legal, and general inquiries
- To send important service updates when needed
- To understand aggregated, anonymized usage
4. Data Sharing
We do not sell your personal information. We may share data only:
- With service providers (for example Firebase for authentication and hosting) who process data on our behalf
- When required by law or to protect our rights
- With your consent
5. Data Security
We use industry-standard measures to protect your data, including encrypted connections (HTTPS), secure authentication, and access controls. However, no method of transmission or storage is 100% secure.
6. Data Retention and Deletion
- Account data is retained as long as your account is active.
- You may request deletion of your account and associated data at any time by contacting us.
- Upon account deletion, associated personal data will be permanently removed within 30 days.
- Backups may retain data for up to 90 days after deletion before being purged.
7. Cookies
Japchae.ai uses essential cookies for authentication, session management, and theme preference. We do not use advertising or tracking cookies.
8. Children’s Privacy
The Service is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us immediately.
9. Changes to This Policy
We may update this Privacy Policy from time to time. Material changes will be communicated via email or a notice on the Service.
10. Contact Us
For privacy concerns, data requests, or questions about this policy:
legal@japchae.ai
support@japchae.ai
info@japchae.ai
Terahertz, Inc.
Virginia Beach, VA