Privacy Policy

Effective date: June 2, 2026

1. Purpose of Collection and Use of Personal Information

Tools (hereinafter referred to as the "Service") is a web service that provides browser-based utilities such as video compression, image compression, QR code generation, image cropping, color picker, and percentage calculator.

This Service does not transmit or store user files on any server. All file processing takes place exclusively within the user's browser (client-side), with no server involvement.

2. Categories of Personal Information Collected

This Service does not require registration or login, and does not directly collect any personal information from users.

However, the following information may be collected automatically for service operation and advertising purposes:

  • Google AdSense (advertising): Information may be collected through cookies and web beacons for ad personalization and traffic analysis. This is governed by Google's Privacy Policy.
  • Server access logs: During the operation of the web server (Vercel), access logs including IP addresses, access times, and browser information may be generated automatically.

3. Retention and Use Period of Personal Information

This Service does not directly retain users' personal information. Server access logs are managed in accordance with Vercel's policies.

4. Provision of Personal Information to Third Parties

This Service does not provide users' personal information to third parties. However, advertising-related information may be transmitted to Google through Google AdSense, which is governed by Google's policies.

5. Use of Cookies

This Service may use cookies to serve Google AdSense advertisements. Users may refuse cookies through their browser settings; however, doing so may limit the use of certain features of the Service.

6. Information Regarding File Processing

All files processed by this Service (images, videos, etc.) are handled exclusively within the user's browser and are never uploaded to a server.

  • Video compression: ffmpeg.wasm (WebAssembly executed within the browser)
  • Image compression: compressor.js (JavaScript executed within the browser)
  • QR code generation: qrcode.js (JavaScript executed within the browser)
  • Image cropping / Color picker: Canvas API (built-in browser API)

7. Open Source Licenses

This Service includes software licensed under the GPL (libx264). Source code is available upon request.

8. Data Protection Officer and Contact Information

If you have any inquiries regarding the processing of personal information, please contact us at the address below.

9. Changes to This Privacy Policy

This Privacy Policy may be revised in accordance with changes to applicable laws or service policies. Any changes will be announced on this page.