Contact Us
Found a bug, have an idea for a tool we're missing, or just have a question? Email us — a real person reads every message.
What to write to us about
A test page that renders incorrectly, prints the wrong size, or looks broken in your language.
A printer test you think should exist but doesn't yet — tell us what it would check and why it's different from what's already here.
Questions about how a specific test works, or how to interpret what you're seeing on the printed page.
Anything else — press inquiries, translation corrections, or general feedback.
Response time
This is a small, independent project, so replies aren't instant, but we do read and respond to every message. Including your browser, operating system, and printer model (if relevant) helps us track down rendering bugs much faster.