JavaScript Tools

JavaScript UUID

JavaScript UUID — generate a version 4 UUID in JavaScript with one click. It works entirely in your browser, with nothing uploaded to any server.

Client-sideRuns entirely in your browser — your data never leaves your device.

JavaScript UUID is a free JavaScript Tools utility that runs entirely in your browser — nothing you enter is uploaded.

UUID

How to use JavaScript UUID

  1. Paste the text you need to process into the input box.
  2. Press Generate UUID and JavaScript UUID shows the result straight away.
  3. When it looks right, Copy to save it.

About this tool

Everything JavaScript UUID does happens on your own device. JavaScript UUID handles your input locally and returns the result instantly, with no sign-up.

It is designed to do one job well and stay out of your way. No data is sent anywhere, so it stays fast and private by default.

Frequently asked questions

What does JavaScript UUID do?

JavaScript UUID lets you process your input right in the browser, with the result shown instantly and nothing uploaded.

Does JavaScript UUID cost anything?

No — JavaScript UUID is completely free, with no sign-up and no hidden limits.

Is my input private in JavaScript UUID?

Yes — your input never leaves your device; JavaScript UUID does all the work in your browser.

Can I use JavaScript UUID without a connection?

Yes — after the first load JavaScript UUID runs entirely offline.

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