Generate UUIDs in Bulk
Generate multiple UUIDs at once — up to 10,000 unique identifiers. Bulk UUID generation for databases, testing, and data seeding. Free tool.
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Are bulk-generated UUIDs guaranteed unique?
Yes. Each UUID v4 has 122 random bits from the cryptographic random number generator. The probability of any two colliding, even across 10,000 UUIDs, is effectively zero — far less likely than a hardware error.