WebRTC Leak Test Explained
Privacy
WebRTC is a browser technology used for video calls, voice chat, screen sharing, and peer-to-peer features. It is useful, but it can sometimes expose network information you expected to hide.
A WebRTC leak means your browser reveals an IP address through WebRTC while you are trying to mask it with a VPN or proxy.
Why WebRTC leaks happen
WebRTC needs to discover connection paths between devices. Depending on your browser, operating system, VPN, and privacy settings, that discovery process can expose local or public IP details.
How to check
Connect your VPN. Open My IP Address and confirm the visible address matches your VPN. Then run a WebRTC leak test. If it shows your real ISP IP, your browser or VPN configuration needs attention.
How to reduce risk
Keep your browser updated, enable VPN leak protection, and consider a dedicated privacy browser profile. Be careful with extensions that claim to change WebRTC settings without explaining what they do.
Related: see the WebRTC leak test guide and DNS leak test guide.