Professional UUID Generation Tool

RFC 4122 Compliant · Full v1-v7 Support · 2M+ Daily Generations

Generated Results

Understanding UUIDs

UUIDs (Universally Unique Identifiers) are 128-bit numbers with:

  • Global uniqueness: Collision probability <1/2122
  • Multiple generation methods: Timestamp, random, hashing
  • Standard compliance: RFC 4122 & ISO/IEC 9834-8

Complete Version Guide

Technical Notes:

  • v1-v5: RFC 4122 Standards · v6/v7: Draft Specifications
  • Timestamp versions (v1/6/7) contain date information
  • Hash versions (v3/5) require namespace UUID + name

Technical Standards

Strictly compliant with:

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