Privacy Policy

("we") sets out below how we handle information of users of the web service "iffthen hangul" (https://hangul.iffthen.com, the "Service").

1. Information we collect

The Service has no sign-up and does not ask for your name or email address. When you use the Service, we may collect and use the following:

  • Handwriting data: the coordinates of the lines you draw over the guide are sent to our checking server to check each stroke. They are used only for checking and are not stored.
  • Access data: IP address, browser type, pages viewed and time (used for server logs and to limit large numbers of requests in a short time).
  • Cookies: third parties may collect information through cookies for advertising and analytics (see 5 and 6).
  • On-device storage: your history in "Read" is stored only in your browser and is never sent to us.

If you contact us, we use your email address only to reply.

2. Purposes

  • Providing the Service (checking strokes, showing stroke order and readings)
  • Preventing misuse and keeping the Service secure
  • Understanding usage and improving the Service
  • Showing advertisements
  • Responding to inquiries

3. Disclosure to third parties

We do not provide personal information to third parties without your consent, except as required by law.

4. Service providers

The Service uses the following providers, including providers in the United States. Information is handled under each provider's policy.

5. Advertising

The Service uses Google AdSense, a third-party advertising service. Google and other ad vendors use cookies to serve ads based on your prior visits to the Service and other websites.

You can turn off personalized ads in Google Ad Settings (https://adssettings.google.com). For details, see https://policies.google.com/technologies/ads.

6. Analytics

The Service may use Google Analytics to understand usage. It collects anonymous information through cookies and does not identify individuals. You can opt out with the browser add-on (https://tools.google.com/dlpage/gaoptout).

7. Security

All communication is encrypted (HTTPS). Handwriting data is not stored after checking, and access data is handled only to the extent and for the period needed.

8. Requests and contact

For requests to access, correct or delete personal information, or questions about this policy, contact .

9. Changes

We may revise this policy to reflect changes in law or in the Service. Revisions take effect when posted on this page.

Operator

  • Name:
  • Representative:
  • Address: 〒
  • Contact:

Effective: October 22, 2026