Privacy Policy

Last updated: July 14, 2026

1. Introduction

WriteHanzi.online ("we", "us", or "our") is a free online platform for learning Chinese characters. This Privacy Policy explains how we collect, use, and protect your information when you visit our website.

2. Information We Collect

We collect the following types of information:

  • Usage Data: Information such as your IP address, browser type, pages visited, and time spent on pages.
  • Account Data: If you sign in with Google, we store your name, email, and profile picture as provided by Google OAuth.
  • Learning Progress: If you create an account, we may store your learning progress and practice history.

3. Cookies and Personalized Ads

We use cookies and similar technologies to improve your browsing experience, analyze traffic, and serve personalized ads. A cookie is a small text file that a website stores on your device. Third-party services such as Google Analytics and Google AdSense may also set cookies.

Google AdSense uses advertising cookies to show personalized ads based on your prior visits to this and other websites.

4. Google AdSense

We use Google AdSense, a third-party advertising service, to display advertisements. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visit to our site and/or other sites on the Internet.

You may opt out of personalized ads by visiting Google's Ads Settings at https://www.google.com/settings/ads, or by visiting www.aboutads.info/choices.

5. Consent for EU/EEA Visitors

If you are located in the European Economic Area, the United Kingdom, or Switzerland, you can control personalized advertising through your browser cookie settings and by opting out of personalized ads using the links in Section 4 (Google Ads Settings and aboutads.info).

6. Data Security

We take reasonable measures to protect your data using industry-standard security practices. However, no method of transmission over the Internet is 100% secure.

7. Third-Party Links

Our website may contain links to third-party websites. We are not responsible for the privacy practices or content of these external sites.

8. Children's Privacy

Our website is suitable for users of all ages, but we do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date.

10. Contact Us

If you have any questions about this Privacy Policy, please contact us at [email protected].