NAT Checker

NAT Checker is a free online tool that instantly detects your network NAT type and public IP address with high accuracy. Designed for gamers, developers, and network professionals, it helps you understand how your network is configured and how it affects connectivity, performance, and online access.

With just one click, NAT Checker analyzes your connection and clearly identifies your NAT type (Open, Moderate, or Strict), making it easier to diagnose issues with online gaming, voice chat, and P2P connections. It’s especially useful for optimizing multiplayer experiences on PS5, Xbox, Nintendo Switch, and PC.

The tool is fast, reliable, and requires no installation or registration. Whether you’re troubleshooting network problems, configuring port forwarding, or improving matchmaking and latency, NAT Checker gives you the insight you need to take control of your network.

Free. Fast. Accurate. NAT Checker helps you understand your network status and play without limits.