Privacy Policy

Last updated: March 11, 2026

1. Introduction

Welcome to Kaiyu.io. This Privacy Policy explains how we handle information when you visit our website. Kaiyu.io is a personal portfolio and developer tools website. We do not require registration, collect payments, or store personal data on our servers.

2. Information We Do Not Collect

Kaiyu.io does not:

Require user accounts or registration
Collect names, email addresses, or any personal identifiable information
Process payments or store financial information
Use tracking cookies or advertising networks

3. Information Collected by Third-Party Services

This Site is hosted on Cloudflare Pages. Cloudflare may automatically collect certain technical information as part of providing hosting and security services, including:

IP addresses (anonymized)
Browser type and operating system
Pages visited and access times

This data is collected and processed by Cloudflare under their own Privacy Policy. We do not have access to individual-level data.

4. Developer Tools

All tools available on this Site (e.g. Base64, UUID Generator, QR Code) operate entirely client-side in your browser. No input data is transmitted to or stored on our servers.

5. Contact

If you have any questions about this Privacy Policy, please contact us at: contact@kaiyu.io