Security.txt Generator

Builds the contents of a security.txt file (RFC 9116) from a comma-separated list of "Key: value" fields. A Contact and an Expires field are required.

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Builds the contents of a security.txt file (RFC 9116) from a comma-separated list of "Key: value" fields. A Contact and an Expires field are required.

Use cases

  • Creating a security.txt file to publish under /.well-known/
  • Formatting contact and disclosure fields into valid security.txt syntax

Examples

Contact and expiry

Contact: mailto:security@example.com, Expires: 2027-01-01T00:00:00.000Z
{"content": "Contact: mailto:security@example.com\nExpires: 2027-01-01T00:00:00.000Z"}

FAQ

Is my data sent to a server?

Yes — the calculation runs on the server for this tool.

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