Contact us
Found a bug, have an idea for a tool, or a question about one of ours? We read every message.
Email: our contact address goes live together with the site’s permanent domain.
Helpful details to include
- The page or tool you were using
- What you entered and what you expected to see
- Your device and browser (for example, iPhone Safari or Chrome on Windows)
Suggestions for new tools are especially welcome. Many of our tools started as someone’s request.