UUID Generator

Generate random UUIDs (v4) for databases, APIs, and applications. Cryptographically secure using Web Crypto API.

1
Click generate to create UUIDs

What is a UUID?

A UUID (Universally Unique Identifier) is a 128-bit identifier that is unique across space and time. Also known as GUID (Globally Unique Identifier), UUIDs are used to identify information without requiring a central authority.

UUID Format

A standard UUID looks like: 550e8400-e29b-41d4-a716-446655440000

It consists of 32 hexadecimal digits displayed in 5 groups separated by hyphens (8-4-4-4-12).

UUID Versions

Common Use Cases

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