UUID Generator

Generate version 4 UUIDs using the native crypto API. All processing happens in your browser.

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Generated UUID:

Keyboard Shortcuts:

Ctrl/Cmd + Enter - Generate new UUID

Privacy: UUIDs are generated locally using crypto.randomUUID(). No data is sent to any server.

About UUID v4

A UUID (Universally Unique Identifier) is a 128-bit number used to identify information in computer systems. Version 4 UUIDs are randomly generated and have the format: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx.

Common Use Cases:

Database primary keys
Session identifiers
Unique file names
API request tracking
Distributed system identifiers