Free online tools to diagnose and understand your internet connection.
Measure packet loss, latency, and jitter using real WebRTC UDP-like data channels. Presets for gaming, VoIP, video calls, and streaming.
Instantly detect your public IP address with geolocation, ISP, ASN, timezone, connection details, and an interactive map.
Check if your DNS requests are leaking outside your VPN. Verify that your DNS traffic is going through the tunnel.
Test if WebRTC is revealing your real IP address when connected to a VPN. Detects local and public IP leaks.
Check if a specific port is open or closed on your IP address. Useful for gaming, servers, and remote access.