Port Scanner

Port Scanner — Check if ports are open on a server. Free online tool that runs in your browser. No signup or uploads to ThothBox.

About this tool

Use Port Scanner when you need to check if ports are open on a server. Processing runs locally in your browser — your input is not uploaded to ThothBox.

How to use

  1. Open Port Scanner and enter the values you want to calculate or convert.
  2. Adjust units or options if shown.
  3. Read the result instantly.
  4. Copy the output or try another set of inputs.

FAQ

What does Port Scanner do?

Check if ports are open on a server.

Is Port Scanner private?

Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.

Is Port Scanner free?

Yes. It is free to use with no signup required.

How do I use Port Scanner?

Open the Port Scanner tool, then open Port Scanner and enter the values you want to calculate or convert.

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