About UUID Generator

UUID Generator is a free online tool that lets you instantly generate random UUID v4 identifiers for use in software development, databases, and any system that needs unique IDs.

Why We Built This

Developers frequently need unique identifiers while building applications. Rather than installing packages or writing code just to get a UUID, we built a fast, free tool that generates cryptographically secure UUIDs right in your browser.

Key Features

• Instant generation — UUID ready on page load
• Bulk generate — Up to 100 UUIDs at once
• Format options — Uppercase, no hyphens
• Click to copy — One click copies to clipboard
• Cryptographically secure — Uses Web Crypto API
• 100% client-side — Nothing sent to any server

Privacy First

All UUID generation happens entirely in your browser using JavaScript and the Web Crypto API. No data is sent to any server. Your generated UUIDs stay on your device.