Privacy policy
Summary
This site sets no cookies and runs no analytics, advertising or tracking code. The calculators work entirely in your browser.
Your inputs and images
Numbers typed into the calculators are processed on your device. When you use the image resolution checker, your browser reads the file locally to measure it; the image is not uploaded to us or anyone else.
Network data
Pages are served through Cloudflare. To deliver and secure the site, Cloudflare processes technical data about each request, such as IP address, user agent and the address requested, under its own privacy policy. Our server does not keep access logs.
If you email us, we use your address and message only to deal with your message, and we delete correspondence on request.