DiagDog
Precision Diagnostic Tools for Web & Hardware
Website under construction — tools coming soon.
Your reliable troubleshooting hound. Fast, lightweight, and free online tools to diagnose, test, and verify browsers, networks, devices, and data.
Browser Diagnostics
Detect browser environment, WebGL, media support and device parameters instantly.
Network Testing
Ping, DNS lookup, CORS check, speed test and network connection diagnosis.
Hardware Checking
Screen test, keyboard & mouse detection, hardware parameter verification.
Diag = Diagnostic | Dog = Problem Hunter
Built for developers, engineers and tech enthusiasts to find & fix issues fast.