UUID Generator
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Generate universally unique identifiers (UUID v4) with bulk generation, format options, and validation
Generate UUIDs
05c78171-5dfb-4d72-a6bc-51c376aa4021Validate UUID
About UUID v4
UUID v4 uses random or pseudo-random numbers. The probability of collision is astronomically low - you would need to generate 1 billion UUIDs per second for about 85 years to have a 50% chance of a collision.
122 bits of randomness