packet.guru – Cyberpunk-inspired privacy audit and network utility suite

Summary: Packet.guru is a free online suite offering network tools and a Privacy & Trust Index that audits IP reputation, browser fingerprinting, DNS leaks, and device integrity to produce a comprehensive privacy score. It also includes mail security checks and JWT decoding, consolidating multiple utilities into one platform.

What it does

Packet.guru runs a detailed Privacy & Trust Index scoring system (0-100) based on IP reputation, browser uniqueness, DNS and WebRTC leaks, and time-region-device consistency. It also provides mail security audits (SPF, DKIM, DMARC), JWT decoding, and standard network tools like DNS lookup, ping, and traceroute.

Who it's for

It is designed for developers and system administrators needing a unified toolset for network diagnostics, privacy audits, and security checks.

Why it matters

It addresses the fragmentation of existing tools by offering a single, in-depth platform to evaluate privacy risks and network integrity efficiently.