NAT Checker

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Detect your network NAT type and public IP with our free online tool. Essential for gaming, P2P connections, and network troubleshooting.

NAT Checker screenshot 1

Cost / License

Free
Proprietary

Origin

China

Platforms

Online
Google Chrome
Mozilla Firefox

NAT Checker alternatives

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Properties

Lightweight
Privacy focused

Features

Website Monitoring
No registration required
Portable
No Tracking
Dark Mode

Tags

Highlights All activities

Recent activities

7892765 added NAT Checker
8 months ago
Paul updated NAT Checker
8 months ago
7892765 added NAT Checker as alternative to IPv4 and IPv6
8 months ago

NAT Checker information

Developed by
redLemon
Licensing
Proprietary and Free product.
Alternatives
2 alternatives listed
Badge
Get an embeddable badge for NAT Checker
Supported Languages
- English
- Chinese
- Korean
- Japanese
- Hindi
- Russian

AlternativeTo Category

Network & Admin

Popular alternatives

NAT Checker was added to AlternativeTo by 7892765 on Feb 27, 2026 and this page was last updated Feb 27, 2026.

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What is NAT Checker?

Free, fast, accurate NAT check for developers and gamers on PS5, Xbox, Switch, and PC. Understand network status and improve play.