p0f passive TCP/IP signature explainer

Decode a p0f v3 SYN fingerprint into its eight fields and see what each reveals about the sender's OS, network path, and stack.

Networking

Runs locally. The signature you paste never leaves your browser.

API endpointGEThttps://ronutz.com/api/v1/p0f-signature-explainerDocumented, not served. Opens the specification.

References