ToolsKit
Random & Data Generators
In-Browser Privacy

UUID / GUID Generator

Generate secure Version 4 (v4) UUIDs (Universally Unique Identifiers) single or in batch with custom formatting.

Quantity:

How to Use UUID / GUID Generator

1

Choose the number of UUIDs to generate (1 to 100).

2

Select uppercase or lowercase, and whether to include hyphens.

3

Click "Generate UUIDs", then copy all or download as a text file.

Example & Output

RFC 4122 compliant version 4 random UUID.

Input Example
Generate 1 UUID v4
Resulting Output
f47ac10b-58cc-4372-a567-0e02b2c3d479

Privacy-First & In-Browser Guarantee

Your confidential text, passwords, and data are processed entirely inside your browser using client-side JavaScript. Nothing is sent to our servers or saved in a remote database.

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Frequently Asked Questions

Yes! We use the browser crypto.randomUUID() and crypto.getRandomValues() APIs for true cryptographic randomness.