Spec: RFC 4122 Section 4.4
Category: Developer
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UUID Generator — RFC 4122 v4 Compliant
Generate cryptographically secure version 4 Universally Unique Identifiers individually or in bulk.
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CSPRNG Entropy & Collision Probabilities
Version 4 UUIDs rely on pseudo-random numbers generated by a Cryptographically Secure Pseudo-Random Number Generator (CSPRNG via crypto.getRandomValues). Out of 128 total bits, 6 bits are reserved for variant and version markers, leaving 122 bits of true entropy. The probability of generating a collision among 1 billion UUIDs is less than one in a billion, making UUID v4 the ideal choice for distributed database keys without central coordination.
Formatting & Bulk Export Options
KlypX supports canonical 8-4-4-4-12 hyphenated hexadecimal formatting, uppercase representation for enterprise ERP and relational databases (Oracle, SQL Server), and bulk generation for batch seeding and testing scripts.
Related In-Browser Utilities
Generated database UUIDs? Transfer them directly into your database terminal.
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