Network Diagnostic Tools Directory
Run instant client-side network diagnostics. No registration, installations, or payments required. Complete tools run straight in your web browser.
IP Address Checker
Retrieve detailed information regarding your public IP address (IPv4/IPv6), local device gateway coordinates, active ISP connection, and geolocation metadata.
CIDR Subnet Calculator
Compute network configurations, subnet masks, first/last usable IP ranges, broadcast address parameters, and size limits using active CIDR notation.
Wi-Fi QR Code Generator
Generate scan-to-connect QR codes for your wireless internet SSID and security password. Supports customizing card layouts and quick printing.
Ping Latency Test
Run instant HTTP packet tests to check connection speeds, routing latency, and dropout rates against global cloud endpoints.
Port Availability Checker
Verify if specific network ports (like web 80/443, FTP 21, SSH 22, or gaming ports) are open on your current firewall setup.
What Is My ISP?
Retrieve details about your current Internet Service Provider (ISP), carrier DNS addresses, hostnames, and relative speed rating recommendations.
User Agent Inspector
Parse and verify the detailed browser user-agent header string. Inspect operating system versions, viewport sizing, layout engine details, and cookie settings.