Privacy Policy

Last Updated: November 22, 2025

Yang3D operates the website https://yang3d.top(hereinafter referred to as "the Website").

We are deeply committed to protecting your privacy. This policy describes how we collect, use, and safeguard your information when you use the Website.

User File Handling and Data Security (Core Commitment)

Given that the Website provides 3D model and texture file conversion and preview services, we understand your concerns regarding file security.

We commit and state the following:

Client-Side Local Processing: All tools on this Website, including model conversion, viewers, and texture generation tools, perform computation locally in your browser via JavaScript and WebAssembly (WASM).
No Upload, No Storage: Your 3D model files (OBJ, FBX, glTF, etc.) and environment map files (HDR, EXR, etc.) are not uploaded, stored, or transferred to any Yang3D servers during the processing. All operations are completed solely on your own device.
No Log Retention: We do not retain any logs or metadata related to the content of your files.

Data Collection and Use (Non-File Data)

The only types of information we collect are non-personally identifiable data used to improve website performance, analyze traffic, and facilitate advertising services.

Cookies and Tracking Technologies

Purpose of Cookies: We use Cookies to enhance your experience, perform site analysis, and display Google AdSense advertisements. Cookies are small files stored on your device.
Google Analytics: We use Google Analytics to collect anonymous information such as website traffic, user sources, and which tools are most popular. This information helps us improve our tools and services.

Google AdSense and Advertising

Ad Serving: This Website uses Google AdSense, an advertising service provided by Google.
DoubleClick DART Cookie: Google, as a third-party vendor, uses cookies to serve ads on this Website. Google’s use of the DART cookie enables it to serve ads to our users based on their visit to this Website and other sites on the Internet.
Opt-Out: Users may opt out of the use of the DART cookie by visiting the Google Ad and Content Network privacy policy.

Third-Party Links and Services

This Website may contain links to third-party websites (such as links to Three.js documentation, GitHub repositories, or other technical resources). We are not responsible for the privacy practices or content of these external sites. We encourage you to read the privacy policies of any external site you visit.

Changes to This Policy

We reserve the right to update or modify this Privacy Policy at any time. Any changes will become effective immediately upon posting the new policy on this page. We encourage you to review this Privacy Policy periodically for any changes.

Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Email: wangdeyangyang@gmail.com