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UUID Generator

RFC 4122 v4

Generate RFC 4122 compliant UUIDs (v4) instantly in your browser using the native crypto.randomUUID() API. No data leaves your device.

Format:
Single UUID
—
Bulk Generator

About UUID v4

UUID v4 uses 122 bits of cryptographically random data, making collision probability astronomically low (~1 in 5.3×10³⁶). The format is xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx where the 4 indicates version 4 and y is one of 8, 9, a, or b.

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About This Tool

The UUID Generator creates universally unique identifiers (UUIDs) for various applications and systems that require unique IDs.

Simply visit the site and click 'Generate' to receive a new UUID. The tool supports multiple versions of UUIDs, including version 4 (randomly generated).

Ideal for developers needing unique identifiers in databases or APIs, this browser-based utility ensures privacy by not storing any user data.

Frequently Asked Questions