Security.txt Generator

Generate a valid RFC 9116 /.well-known/security.txt file.

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Fields

At least one Contact field is required

security.txt

Publish this at /.well-known/security.txt

About the Security.txt Generator

Build a standards-compliant security.txt file per RFC 9116, with Contact, Expires, Encryption, Acknowledgments, Policy, Hiring, and Preferred-Languages fields, ready to publish at /.well-known/security.txt.

Examples

Basic file

Contact: mailto:security@example.com

Output

Contact: mailto:security@example.com
Expires: 2027-08-06T00:00:00Z

Keyboard shortcuts

  • Copy the main outputCtrl / ⌘ + Shift + C
  • Download the resultCtrl / ⌘ + S
  • Share this toolCtrl / ⌘ + Shift + S
  • Reset the inputsAlt + R
  • Open the tool search paletteCtrl / ⌘ + K

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser