UUID / GUID Generator

Generate cryptographically secure RFC 4122 compliant UUIDs (v4 random and v1 timestamp) with custom formatting.

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Include Hyphens (-)Curly Braces { ... }Quotes " ... "

GENERATED UNIQUE IDENTIFIERS (0)Generated via window.crypto.getRandomValues (CSPRNG)

About Universally Unique Identifiers

UUID v4 utilizes 122 cryptographically strong random bits. The collision probability is negligible, making it ideal for distributed primary keys and authorization tokens without central servers.