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UUID Generator

Create Universally Unique Identifiers for your applications

550e8400-e29b-41d4-a716-446655440000
Version v4
Format Standard
Length 36 chars
UUID Version
Format Options
Uppercase ABCDEF-1234...
Braces {uuid-format}
Hyphens Include separators
URL Safe Base64 format
Bulk Generation

UUID Information

UUID Versions
  • Version 1: Time-based UUID
  • Version 3: MD5 hash-based UUID
  • Version 4: Random UUID (most common)
  • Version 5: SHA-1 hash-based UUID
Common Uses
  • Database primary keys
  • Distributed systems
  • API identifiers
  • Session tokens