WebRTC Leak Test
What Is a WebRTC Leak?
WebRTC (Web Real-Time Communication) is a browser technology that allows real-time audio, video, and data transmission. To establish peer-to-peer connections, WebRTC uses STUN servers to discover your local IP address and send it to the other peer. This happens behind the scenes — even if you're using a VPN that hides your public IP address, your actual local and sometimes real public IP addresses may be leaked through WebRTC.
This "WebRTC leak" is a privacy concern because websites you visit can discover your real IP address, defeating the purpose of a VPN in some cases. Most modern browsers allow users to disable WebRTC or restrict it, but the default behavior can leak your IP. This tool detects whether your browser is leaking IP addresses through WebRTC so you can take action if needed.
How to Fix a WebRTC Leak
Option 1: Use a VPN with WebRTC Leak Protection
Many premium VPN services include built-in WebRTC leak protection that blocks or routes WebRTC traffic through the VPN tunnel.
Option 2: Disable WebRTC in Your Browser
Chrome/Edge: Install a WebRTC leak prevention extension from the Chrome Web Store. Firefox: Type `about:config` in the address bar, search for `media.peerconnection.enabled`, and set it to `false`. Safari: WebRTC is generally safer but check privacy settings.
Option 3: Use a Browser with Built-in Protection
Some browsers like Brave and Firefox offer better default privacy settings that limit WebRTC leaks.