Port Checker
Test one public host and one TCP port at a time.
⚡ Free
◈ Local-first
✓ No account
Result
Your result will appear here…
Port Checker
Enter a public domain or IP address and a TCP port from 1 to 65535 to test whether a connection can be established.
Free
Core utility with no mandatory account.
Local-first
Browser processing whenever technically possible.
NuvaTools
Focused interface without unnecessary friction.