UUID Generator — Free Forever, No Account

UUID Generator runs entirely in your browser. Enable JavaScript to use the interactive tool — your files are processed locally and never uploaded.

What is UUID Generator?

UUID Generator is a fast utility that creates Universally Unique Identifiers (UUIDs) version 4. These are 128-bit numbers used to identify information in computer systems with near-zero probability of duplication, making them perfect for database primary keys and transaction IDs.

How to Use UUID Generator

Choose how many UUIDs you want to generate (e.g., 1 to 100)
Click the Generate button
Copy the resulting list for use in your database or code

Why Use Our UUID Generator?

Generate standard Version 4 (random) UUIDs instantly
Create single or bulk lists of UUIDs with one click
Uses cryptographically secure randomness (Web Crypto API)
Offline capable with no server interaction

Common Use Cases

Generating unique primary keys for a new SQL or NoSQL database table
Creating unique session identifiers for web applications
Assigning unique tracking IDs to asynchronous background jobs

Frequently Asked Questions

We generate UUID Version 4, which is created using secure random numbers.