Free online tools to diagnose and understand your internet connection.
What Valorant, CS2, Warzone, Teams, Zoom and Meet actually need from your connection. Vendor-published numbers, graded against your own measurements.
Instantly detect your public IP address with geolocation, ISP, ASN, timezone, connection details, and an interactive map.
Check if a port is open on your IP. Security scan, game server testing, and self-hosting verification. Powered by Cloudflare’s secure edge network.
Measure how much your latency rises when your connection is busy. UDP-based probe, A+ to F grade, and RPM score. The test speed tests can’t do.
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.