Network Diagnostic Tools
37+ free network tools — speed test, ping, DNS, port scan, SSL, traceroute, WHOIS and the Connection Doctor. Measurements run on self-hosted api.speedtest.doctor.
Speed & Connection
7Download, upload, latency, jitter and packet loss — the vital signs of your line.
DNS
7Resolve, benchmark and audit the domain name system your network relies on.
IP
6Discover, locate and audit IP addresses — yours and anyone else's.
Wi-Fi & Local Network
4Channels, signal quality and router health across your home or office.
Web / Site
7Measure any website or host: TTFB, Core Web Vitals, routing and TLS.
Security & Privacy
5Check for leaks, verify your VPN and see how trackable you really are.
Diagnosis (Doctor)
1The differentiator: runs the full panel, then explains the verdict, the likely causes and what to do next.