What this tool does
TCP Port Checker: free online Network tool with clear controls, private processing where supported and verifiable results.
Input and output
Check port: the values you enter → the TCP Port Checker result, which you can copy and download when the tool produces a file
How to use TCP Port Checker
- Provide the values you enter.
- Leave Public hostname or IP at its default "example.com" or choose another value.
- Leave Port or service name at its default "443" or choose another value.
- Press "Check port" and review the result in the panel on the right.
- Download or copy the TCP Port Checker result, which you can copy and download when the tool produces a file.
Settings
Privacy and limitations
- TCP Port Checker processes your input on the FaceTooFace server: only the values this tool asks for are sent, and nothing is stored in your account.
- Results depend on valid input and on the limits declared by each field above; this page does not promise a fixed processing time or file size.
Frequently asked questions
- Is my data uploaded when I use TCP Port Checker?
- Yes for this tool: the input you provide is sent to the FaceTooFace server for processing and is not saved to your account. The page marks the processing location before you run it.
- Which input does it accept?
- It works with the values you enter.
- What do I get back?
- After you press "Check port" the result panel shows the TCP Port Checker result, which you can copy and download when the tool produces a file, which you can copy or download.
- Can I change the settings?
- Yes. The page exposes Address family (Automatic, IPv4 only, IPv6 only).
