UUID Generator

Generate a single universally unique identifier (UUID).

Loading...

Features

One-Click Generation

Create a new UUID v4 with a single click.

Cryptographically Strong

Uses the browser's built-in `crypto.randomUUID()` for secure and standard-compliant UUIDs.

Instant Copy

Easily copy the generated UUID to your clipboard.

About UUID Generator

A simple and fast tool to generate a version 4 Universally Unique Identifier (UUID). UUIDs are 128-bit numbers used to uniquely identify information in computer systems. This tool is perfect for when you need a unique ID for a database record, a component key, or any other development task.

How to Use UUID Generator

  • 1
    Load the page

    A new UUID is automatically generated when the tool loads.

  • 2
    Generate a new one

    Click the 'Generate New UUID' button to create another unique ID.

  • 3
    Copy the UUID

    Click the copy icon to copy the current UUID to your clipboard.

Frequently Asked Questions

Yes, we generate Version 4 UUIDs using the browser's crypto API. The probability of a collision is astronomically low.
No, the UUIDs are generated instantaneously in your browser memory and are deleted as soon as you refresh or leave the page.
Absolutely. UUID v4 is the industry standard for generating unique identifiers for databases, session IDs, and more.
A UUID v4 consists of 32 hexadecimal digits displayed in 5 groups separated by hyphens, in the form 8-4-4-4-12.
Currently, this tool generates one UUID at a time for precision, but you can quickly generate multiple by clicking the button repeatedly.
Yes, the generation is fully compatible with mobile browsers using the standard Web Crypto API.