Is Your VPN Safe? Test it in 30 seconds.
Free VPN leak test tool detects IP leaks, DNS leaks, WebRTC vulnerabilities & IPv6 issues. Test your VPN connection instantly. No registration required.
What Is a VPN Leak?
A VPN leak occurs when your real IP address, DNS requests, or other identifying information escapes the encrypted VPN tunnel. This defeats the purpose of using a VPN, as your internet service provider (ISP), websites, or third parties can still track your online activity and location.
Even if you’re connected to a VPN, various types of leaks can expose your real identity. Our comprehensive test checks for the most common vulnerabilities that compromise your privacy.
Types of VPN Leaks We Test For
🌐 IP Address Leaks
Your real IP address is exposed instead of showing the VPN server’s IP. This reveals your actual location and can be used to track you online.
🔍 DNS Leaks
Your DNS requests go to your ISP’s servers instead of the VPN’s DNS servers. This allows your ISP to see which websites you visit, even when using a VPN.
📞 WebRTC Leaks
Web browsers use WebRTC for video calls, but it can expose your real IP address even when connected to a VPN. This is one of the most common VPN vulnerabilities.
6️⃣ IPv6 Leaks
Many VPNs only support IPv4, so IPv6 traffic bypasses the VPN tunnel entirely. This can leak your real location and browsing activity.
How to Fix VPN Leaks
If You Have DNS Leaks:
1. Use VPN’s DNS Servers: Configure your VPN client to use the VPN provider’s DNS servers instead of your ISP’s.
2. Enable DNS Leak Protection: Most quality VPNs have a “DNS Leak Protection” setting – make sure it’s enabled.
3. Change DNS Manually: Set your device to use independent DNS services like Cloudflare (1.1.1.1) or Google DNS (8.8.8.8).
If You Have WebRTC Leaks:
1. Disable WebRTC: Use browser extensions like “WebRTC Leak Prevent” or “uBlock Origin” to block WebRTC.
2. Firefox Users: Type “about:config” in Firefox, search for “media.peerconnection.enabled” and set it to false.
3. Use VPN Browser Extension: Some VPN providers offer browser extensions with built-in WebRTC protection.
If You Have IPv6 Leaks:
1. Disable IPv6: The simplest solution is to disable IPv6 on your device entirely (most websites still work fine with IPv4 only).
2. Use VPN with IPv6 Support: Switch to a VPN provider that properly handles IPv6 traffic.
3. Enable IPv6 Leak Protection: Check if your VPN has an IPv6 leak protection feature and enable it.
Why Privacy Matters
Your online privacy is increasingly under threat from ISPs selling browsing data, government surveillance programs, hackers targeting public WiFi users, and websites tracking your every move. A properly configured VPN is one of the best tools to protect yourself, but only if it’s working correctly without leaks.
Regular testing ensures your VPN is doing its job. Don’t just trust your VPN provider’s marketing – verify it yourself. If you find leaks, fix them immediately or consider switching to a more reliable VPN service.
Frequently Asked Questions
Test your VPN whenever you first set it up, after updating your VPN software, when switching to a new VPN server, or if you suspect connection issues. It’s also good practice to test monthly to ensure everything is still working correctly
No. Our test only checks your current IP address, DNS servers, and leak vulnerabilities. We don’t track, log, or store any of your browsing history or personal data. All tests run directly in your browser.
IPv4 is the older internet protocol most VPNs support. IPv6 is newer with more addresses, but many VPNs don’t route IPv6 traffic through their tunnel. If your VPN doesn’t support IPv6, your IPv6 traffic might leak your real identity even though IPv4 is protected.
VPN speed depends on many factors: server distance, server load, encryption overhead, and your base internet speed. Passing our leak test means your privacy is protected, but it doesn’t measure connection speed. Try connecting to a closer VPN server to improve speed.
Not necessarily. If you’re connected to a VPN server in the UK but our test shows you in France, this could indicate a DNS leak or IP leak. However, some VPN servers may be registered in different countries than their physical location. Check your VPN provider’s server list.
Yes, if your browser’s time zone doesn’t match your VPN location, websites can use this to fingerprint and potentially identify you. Some privacy-focused browsers like Tor automatically adjust the time zone, but most browsers don’t. You can use browser extensions to spoof your time zone.