Port Checker - Free Online Port Scanner
Use our free port checker to verify if any port is open or closed on any IP address or domain name. Test port connectivity instantly.
Free Port Checker
Our port checker allows you to verify if any port is open or closed on any IP address or domain name. Simply enter the IP address or domain and port number to test port connectivity instantly. This free online port scanner helps you check port status for FTP (21), SSH (22), SMTP (25), HTTP (80), HTTPS (443), RDP (3389) and many more.
Common Ports to Check
Click on any port below to quickly test it with our port checker
80
HTTP
Web Server
443
HTTPS
Secure Web
22
SSH
Secure Shell
21
FTP
File Transfer
25
SMTP
Email
3389
RDP
Remote Desktop