Privacy Policy
Last Updated: February 2026
This Privacy Policy describes how TINGHAO ("we", "us", or "our"), operated from Hong Kong and accessible at tinghao.app, collects, uses, and protects your information when you use our browser extensions, web tools, and related services (collectively, the "Services").
By using our Services, you agree to the collection and use of information as described in this policy.
1. Information We Collect
Information You Provide
- Account Information: Name, email address, and avatar when you register or sign in via Google OAuth.
- Payment Information: Billing details processed securely through our payment provider Creem.io. We do not store your full credit card number or payment credentials on our servers.
Information Collected Automatically
- Usage Data: Pages visited, features used, interaction patterns, timestamps, browser type, operating system, device type, and referring URLs.
- Log Data: IP address, access times, and error logs for debugging and security purposes.
- Cookies and Similar Technologies: See Section 6 below.
2. How We Use Your Information
We use collected information to:
- Provide, operate, and maintain our Services
- Process transactions and manage subscriptions
- Send transactional emails (account verification, receipts, security alerts)
- Improve and personalize user experience
- Analyze usage trends to develop new features
- Detect, prevent, and address fraud, abuse, or technical issues
- Comply with legal obligations
We do not sell your personal information to third parties.
3. Third-Party Services
We rely on the following third-party services to operate:
| Service | Purpose | Privacy Policy |
These providers may process your data in accordance with their own privacy policies. We encourage you to review them.
4. Data Storage and Security
Your data is stored using Cloudflare infrastructure:
- Cloudflare D1 for relational database storage
- Cloudflare R2 for file and object storage
- Cloudflare KV for caching and key-value storage
We implement commercially reasonable technical and organizational measures to protect your data against unauthorized access, alteration, disclosure, or destruction. However, no method of electronic transmission or storage is completely secure.
5. Data Retention
We retain your personal information for as long as your account is active or as needed to provide you with our Services. If you delete your account, we will remove your personal data within 30 days, except where retention is required by law or for legitimate business purposes such as fraud prevention.
6. Cookies and Tracking
Our Services use cookies and similar technologies for:
- Essential Cookies: Required for authentication, session management, and security.
- Analytics Cookies: Help us understand how users interact with our Services.
You can control cookies through your browser settings. Disabling essential cookies may impair the functionality of our Services.
We do not use third-party advertising cookies or participate in ad networks.
7. Your Rights
Depending on your jurisdiction, you may have the following rights:
- Access: Request a copy of the personal data we hold about you.
- Correction: Request correction of inaccurate or incomplete data.
- Deletion: Request deletion of your personal data.
- Portability: Request your data in a structured, machine-readable format.
- Objection: Object to processing of your data for certain purposes.
- Withdraw Consent: Where processing is based on consent, withdraw it at any time.
To exercise any of these rights, contact us at the address provided in Section 11. We will respond within 30 days.
8. International Data Transfers
Our Services are operated from Hong Kong. If you access our Services from outside Hong Kong, your information may be transferred to and processed in jurisdictions where our infrastructure providers operate. By using our Services, you consent to such transfers.
9. Children's Privacy
Our Services are not directed to individuals under the age of 16. We do not knowingly collect personal information from children. If we become aware that we have collected data from a child without parental consent, we will take steps to delete that information promptly.
10. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of material changes by posting the updated policy on our website and updating the "Last Updated" date. Your continued use of the Services after changes are posted constitutes your acceptance of the revised policy.
11. Contact Us
If you have any questions about this Privacy Policy or wish to exercise your data rights, please contact us at:
TINGHAO