NetDiagnostics

NetDiagnostics is a professional network diagnostic toolkit with a unified experience across desktop, mobile, and tablet. Whether you're troubleshooting from your workstation or diagnosing on the go, you get the same powerful toolset — no compromises. FIVE DIAGNOSTIC GROUPS (38 tests): System & Adapters (8 tests) — Network adapters, MAC addresses, DHCP servers, gateways, routing tables, active TCP/UDP connections, ARP table, and TCP settings. Connectivity & Security (6 tests) — Network profile, TCP/IP stack parameters, default gateway reachability, IPv4/IPv6 routing table, ARP cache, and system proxy configuration. Internet & DNS (5 tests) — DNS servers with latency benchmarking, DNS cache statistics, DNS pollution/hijacking detection, Netskope client status, and internet speed test. Remote Host (6 tests) — DNS resolution, ping with latency and jitter, traceroute, combined pathPing with per-hop loss, path MTU discovery, and TCP port scanning (common ports or custom 1-65535). Website / URL (13 tests) — URL parsing and validation, TCP connectivity check, service banner detection, HTTP request/response headers, security headers (HSTS, CSP), SSL/TLS certificate chain, HTTP redirect chain, compression methods, request timing breakdown, plus FTP, SSH, and Email diagnostics. KEY FEATURES: - Real-time diagnostic engine with live result streaming - PDF and HTML reports with export and sharing - Custom port scanning (common ports or 1-65535) - Dark theme UI, 15 interface languages - Premium one-time purchase unlocks report sharing - Works offline for local diagnostics - No data collection: your network data stays on your device