Contact

We welcome questions about how the tools work, suggestions for improvements, and reports of incorrect or confusing results.

Privacy and data

For privacy-related requests (including questions about how we handle URLs you submit), please email the same address with a clear subject line such as “Privacy” or “Data question”. See also our Privacy Policy.

Bugs and feature ideas

If something looks broken, include the tool name, the URL or input you used (if safe to share), and what you expected versus what you saw. We read every message; we cannot promise a reply to every suggestion, but they do influence what we ship next.