Privacy Policy

Last updated: March 2026

Overview

YouTube Thumbnail A/B Tester is a client-side tool. Your images are processed entirely in your browser and are never uploaded to any server.

Data We Collect

We do not collect, store, or transmit any personal data or uploaded images. The tool runs entirely in your browser using the FileReader API.

Cookies and Local Storage

We use browser local storage to remember your theme preference (light or dark mode). No tracking cookies are used.

Third-Party Services

This site is hosted on Cloudflare Pages. Cloudflare may collect standard web analytics (page views, country, browser type) as part of their hosting service. No personally identifiable information is shared.

Your Images

Images you upload to the thumbnail tester are processed using the browser's FileReader API. They exist only in your browser's memory and are discarded when you close the page or remove them. No image data is sent to any server.

Contact

Questions about this privacy policy? Email jackmckew2@gmail.com.