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Create a QR code for a link, Wi-Fi, WhatsApp, contact and more, or read one from a photo.
- Free
- No sign-up
- Works on any device
Fill in the details to see your QR code.
PNG for phones, chats and websites. SVG and PDF stay sharp at any size, which is best for printing. Tip: point your phone camera at the preview to test it.
3. Style (optional): colors, dots, logo
Choose a photo or screenshot or drag it here
Works with photos of printed codes, screenshots and image files.
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Port number lookup
What runs on a port: search common TCP/UDP port numbers and services.
- Free
- No sign-up
- Works on any device
About Port number lookup
Search a port number to see which service normally uses it, over TCP or UDP. For example 22 is SSH, 80 is HTTP, 443 is HTTPS and 3306 is MySQL. Useful when reading firewall logs or configuring servers, though any program can use any port.
How to use Port number lookup
- Type what you want to look up above.
- The answer appears instantly, explained in plain words.
- Copy what you need.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
What is the difference between TCP and UDP ports?
TCP is connection based and reliable, used by web and email. UDP is faster and connectionless, used by DNS queries, streaming and games. The same number can mean different things on each.
Is Port number lookup free?
Yes. Port number lookup on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.