UUID Generator – Generate v1 & v4 Unique IDs Online

New

Generate universally unique identifiers (UUIDs) in v1 and v4 formats. Create multiple random IDs instantly for databases and software development.

UUID Generator

Generate universally unique identifiers

Generator Settings

UUID Version

Randomly generated, most common

Format

Number of UUIDs

Maximum: 100 UUIDs at once

What is a UUID?

A Universally Unique Identifier (UUID) is a 128-bit number used to uniquely identify information in computer systems.

Cryptographically secure

No collision risk

Database-friendly

No UUIDs Generated Yet

Configure your settings and click "Generate UUIDs" to create unique identifiers

What is UUID Generator?

Generate cryptographically secure UUIDs (Universally Unique IDentifiers) for unique identification in databases, APIs, and applications. Supports UUID v1 (timestamp-based), v4 (random), and bulk generation up to 100 UUIDs.

uuid generatorguid generatorunique idv4 uuidrandom id

UUID Generator Features

Multiple Versions

UUID v1, v4, and NIL formats

Bulk Generation

Generate up to 100 UUIDs at once

Format Options

Uppercase, no hyphens, with braces, URN format

UUID Generator FAQ

v1 is timestamp-based (sortable but slightly predictable). v4 is completely random (most common for general use).

Collision probability is essentially zero. You can generate trillions without duplication.