Developer Tool

UUID Generator

Generate secure RFC 4122 Version 4 UUIDs instantly. Create one or multiple unique IDs, copy them with one click, or download them as a TXT file. Free, fast, and works directly in your browser.

Instant Generation
100% Secure
One-Click Copy

UUID Preview

550e8400-e29b-41d4-a716-446655440000
7f3d9b0c-5f8c-4f4f-92de-2b0e6d43d89a
c8b2f94a-6d47-4dd7-9d54-f03d9b1ab7e1

Generate UUIDs

Create secure RFC 4122 Version 4 UUIDs instantly. Generate one or multiple UUIDs, then copy or download them in a single click.

Your generated UUIDs will appear here.

How It Works

Generate unique UUIDs in just three simple steps.

1

Select Quantity

Choose how many UUIDs you want to generate. You can create between 1 and 100 UUIDs at once.

2

Generate UUIDs

Click the Generate button to instantly create secure RFC 4122 Version 4 UUIDs using your browser.

3

Copy or Download

Copy all generated UUIDs with one click or download them as a TXT file for later use.

Why Use Our UUID Generator?

Everything you need to generate secure UUIDs quickly and efficiently.

Instant Generation

Generate one or multiple UUIDs instantly with a single click.

100% Secure

UUIDs are generated directly in your browser. Your data never leaves your device.

RFC 4122 v4

Generate standards-compliant Version 4 UUIDs using secure random values.

One-Click Copy

Copy all generated UUIDs to your clipboard instantly.

Download TXT

Save generated UUIDs as a text file for future use.

Works Everywhere

Fully responsive and compatible with desktop, tablet, and mobile devices.

Where Are UUIDs Used?

UUIDs are widely used in modern software development to uniquely identify records, users, devices, files, and transactions.

Databases

Use UUIDs as unique primary keys in SQL and NoSQL databases.

APIs

Generate secure IDs for REST APIs and distributed systems.

Mobile Apps

Identify users, sessions and devices uniquely.

Backend Systems

Assign globally unique identifiers without collisions.

Frequently Asked Questions

Find answers to the most common questions about our UUID Generator.

A UUID (Universally Unique Identifier) is a 128-bit unique identifier used in databases, APIs, software applications, and distributed systems to uniquely identify objects without duplication.

This tool generates RFC 4122 Version 4 (UUID v4), which uses cryptographically secure random values for maximum uniqueness.

Yes. You can generate between 1 and 100 UUIDs in a single click and copy or download them instantly.

Yes. ToolBucket's UUID Generator is completely free to use with no registration, installation, or hidden charges.