UUID / GUID Generator
Generate cryptographically secure RFC 4122 compliant UUID v4 identifiers
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Frequently Asked Questions
A Universally Unique Identifier (UUID), also known as Globally Unique Identifier (GUID), is a 128-bit label used for information in computer systems (e.g. database primary keys) with virtually zero chance of collision.
UUID v4 is generated using cryptographically strong pseudo-random numbers conforming to RFC 4122. There are 2¹²² possible UUID v4 combinations.