Port Number Lookup
Look up common TCP/UDP port numbers.
443 — HTTPS
| Port | Service |
|---|---|
| 20 | FTP Data |
| 21 | FTP |
| 22 | SSH |
| 23 | Telnet |
| 25 | SMTP |
| 53 | DNS |
| 80 | HTTP |
| 110 | POP3 |
| 143 | IMAP |
| 443 | HTTPS |
| 3306 | MySQL |
| 5432 | PostgreSQL |
| 6379 | Redis |
| 27017 | MongoDB |
| 3000 | Dev (common) |
| 8080 | HTTP Alt |
| 8443 | HTTPS Alt |
What is Port Number Lookup?
Enter a port number to see if it matches a common service, or browse the list below.
FAQ
Is this tool free to use?
Yes. This tool is available to use for free.
Does the tool run in the browser?
Yes. The logic runs client-side in your browser.
Is my data uploaded to a server?
No. Your input stays in your browser and is not uploaded by this tool.
Can I use this tool for large files?
It depends on your device and browser. Very large inputs may be slow; for huge files, use a local CLI tool.
Example usage
Input
443
Output
HTTPS
How to use
- Enter a port number (1–65535)
- See the service name if it is a common one