UUID Generator

What is UUID?

UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information in distributed systems.

Free Online UUID Generator

Generate universally unique identifiers (UUIDs) version 4 instantly. Secure, random, and collision-free IDs for your database.

Bulk Generation

Need 1000 IDs for testing? Generate hundreds of valid UUIDs in a single click.

Version 4

We use the standard v4 algorithm (random) which is the industry standard for database primary keys.

Cryptographically Secure

Uses your browser's Web Crypto API (`crypto.randomUUID`) for high-entropy randomness.

Why Use UUIDs?

UUID (Universally Unique Identifier) allows distributed systems to generate unique IDs without a central coordinator.

  • Database Keys

    Using UUIDs instead of auto-increment integers makes merging databases easier.

  • Security

    UUIDs are unguessable, making them safer for public-facing resource URLs.

  • Offline Creation

    Mobile apps can generate IDs offline and sync them to the server later with zero conflicts.

How to Generate

1

Select Quantity

Choose how many unique UUIDs you need.

2

Generate

Click the button to produce new, random identifiers instantly.

3

Use

Copy the list and use them in your SQL INSERT statements or mock data.