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UUID Generator
Generate random RFC-4122 v4 UUIDs in bulk.
About this tool
The UUID Generator creates random version-4 UUIDs (universally unique identifiers) in bulk — ideal for database keys, test data and distributed systems. Generate up to 100 at once and copy them together.
Frequently asked questions
v4 UUIDs are random 122-bit values; collisions are astronomically unlikely, so they're treated as unique in practice.
Yes — they use the browser's cryptographically secure random generator.