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UUID generator

Create unique identifiers for records. Simple, private, right in your browser.

Preparing your workspace…

A LITTLE GUIDANCE

How to use this tool

Enter how many identifiers you need.
Generate UUID v4 values.
Copy the batch or download a text file.

A worked example

Generate 10 UUID v4 values → 10 correctly shaped values with the required version and variant bits.

What to know

UUID v4 uses cryptographic random bytes through the browser’s crypto.randomUUID API. These identify records; they do not authenticate users or prove ownership.

Supported inputs and limits

1–1,000 identifiers per batch; secure browser context required.

Where is my data processed?

In your browser. Cloud saving is optional: only the supported inputs, settings or files you explicitly choose are uploaded. Download or save anything you want to keep before closing the page. Read our privacy details.