natchecker.com
NAT Type Test
Free online NAT check for gamers and devs: fast, accurate NAT type tester (open/moderate/strict) with no downloads. Improve PS5, Xbox, Switch, PC connectivity.
Domain rating
25
Domain rating is Ahrefs' measure of domain quality according to links.
Popularity
High
The popularity on this site, based on the listing quality score and engagement signals.
About tool
NATChecker is a free, browser-based tool that detects your network’s NAT type directly in your browser. It provides fast, accurate results with no downloads or registration. The service is useful for gamers, developers, and anyone troubleshooting connectivity for peer-to-peer applications, online gaming, VoIP, or remote access. By identifying whether a network is open, moderate, or strict, NATChecker helps users understand connection limitations and adjust their network configuration to improve performance and stability.