WebRTC Leak Test
Check whether your browser exposes your real IP address, local network details, or IPv6 information through WebRTC.
Your Remote IP :
IPv4 Address
Detecting...
IPv6 Address
Detecting...
WebRTC Support Detection :
RTCPeerConnection
RTCDataChannel
Your WebRTC IP :
WebRTC Leak Test
Local IP Address
-
Public IP Address
-
Session Description :
SDP Log
Media Devices :
API Support
Audio Permissions
Video Permissions
Media Devices
Why WebRTC leak testing matters
WebRTC is built into most modern browsers to support video calls, voice chat, live streaming, and peer-to-peer communication features. While useful, it can sometimes expose network information outside your VPN tunnel.
This test helps identify whether your browser reveals your real public IP, local network address, or IPv6 connection details while using a VPN or proxy service.
Many users assume their VPN is working properly until a WebRTC leak test
reveals hidden browser-level exposure.
Frequently Asked Questions
What is a WebRTC leak and why does it matter?
A WebRTC leak happens when your browser exposes your real IP address
through WebRTC functionality even while connected to a VPN or proxy.
This can reduce your online privacy because websites may still detect
your original network information despite VPN protection appearing active.
A VPN connection can look secure while WebRTC silently exposes
identifying network information in the background.
Can WebRTC bypass my VPN connection?
Yes. Depending on browser behavior and VPN configuration,
WebRTC may expose your public IP address, local IP,
or IPv6 information outside the encrypted VPN tunnel.
This is why many privacy-focused users regularly test for WebRTC leaks
after browser updates, VPN changes, or network configuration adjustments.
What information can a WebRTC leak reveal?
A WebRTC leak may expose your public IP address,
local/private network IP, IPv6 address,
internet provider, and approximate geographic region.
While this information usually does not reveal an exact home address,
it can still weaken anonymity and contribute to tracking systems.
Why do browsers expose local IP addresses through WebRTC?
WebRTC uses STUN servers to determine how devices connect directly
to each other during peer-to-peer communication sessions.
During this process, browsers may temporarily expose local network interfaces
and connection-related IP addresses unless protections are enabled.
Does every browser handle WebRTC privacy the same way?
No. Browser behavior varies significantly depending on browser type,
privacy settings, VPN configuration, IPv6 handling,
and installed privacy extensions.
Some browsers expose more network information by default,
while privacy-focused browsers may limit or disable WebRTC behavior.
Is a WebRTC leak dangerous for regular users?
A WebRTC leak does not automatically mean your system is compromised,
but it can weaken the privacy protections users expect from VPN software.
For journalists, researchers, remote workers, activists,
and privacy-conscious users, even limited IP exposure may increase tracking risks.
Privacy leaks are often invisible during normal browsing.
Testing is the only reliable way to confirm what your browser exposes.
Does PrivacyTestLab store WebRTC leak test data?
No. PrivacyTestLab does not permanently store WebRTC logs,
IP addresses, media device details, or local network identifiers.
Information displayed on this page is generated temporarily
for live testing purposes only.
Can browser fingerprinting still track me even without a WebRTC leak?
Yes. Hiding your IP address is only one part of online privacy.
Websites can also use browser fingerprinting techniques
to recognize devices based on browser and hardware characteristics.
You can explore additional privacy tests using the
IP Leak Test
,
and
Full Privacy Scan
.
How often should I run a WebRTC leak test?
It is smart to test your browser after VPN updates,
browser upgrades, installing privacy extensions,
or changing network and firewall settings.
Browser privacy behavior can change unexpectedly after updates,
especially when new networking features are introduced.