Contact Us

We'd love to hear from you — questions, feedback, and corrections are all welcome

Get in Touch

Whether you've found a factual error in our content, have a suggestion for a new cipher or tool, or simply want to share your thoughts, we welcome your message.

Email

For general inquiries, content corrections, or partnership proposals:

[email protected]

Report an Issue

Found a bug in one of our tools or an error in our content?

[email protected]

Suggestions

Have an idea for a new cipher, tool, or quiz question?

[email protected]

What We'd Like to Hear About

  • Content corrections: If you spot a factual error, outdated information, or a broken interactive demo, please let us know. Accuracy is critical in cryptography education.
  • Feature requests: Suggestions for new ciphers, tools, quiz questions, or educational topics are always welcome.
  • Bug reports: If a tool produces incorrect results or a page doesn't work properly in your browser, tell us the browser version and what you expected vs. what happened.
  • Accessibility issues: We strive to make CipherRun accessible to everyone. If you encounter barriers, please describe the issue so we can address it.
  • General feedback: We appreciate knowing what's working well and what could be improved.

Response Time

CipherRun is maintained as an educational project. We read every message but may not be able to respond to all of them. Priority is given to content corrections and bug reports. We aim to acknowledge critical issues within 48 hours.

Your Privacy

Any information you share with us via email is used solely to respond to your inquiry. We do not add email addresses to mailing lists, share them with third parties, or use them for marketing purposes. See our Privacy Policy for details.

Community

CipherRun is an open educational resource. If you'd like to contribute content, report issues through other channels, or stay updated on new features:

  • Website: cipherun.com
  • Content repository: Check cipherun.com for links to our public repository