UUID Generator

Generate UUIDs in multiple versions (v1, v3, v4, v5, v7) with custom formatting options. Validate UUIDs, export to different formats, and download results.

UUID Configuration

Random or pseudo-random (most common)

Generated UUIDs

Complete UUID Generation Guide

UUID Versions

  • UUID v1 - Time-based with MAC address
  • UUID v3 - Name-based using MD5 hashing
  • UUID v4 - Random or pseudo-random
  • UUID v5 - Name-based using SHA-1 hashing
  • UUID v7 - Time-ordered with random data

Key Features

  • ✅ Generate multiple UUID versions
  • ✅ Bulk generation (1-1000 UUIDs)
  • ✅ Custom formatting options
  • ✅ UUID validation and checking
  • ✅ Export to JSON, CSV formats

UUID Use Cases & Best Practices

Database Primary Keys

Use UUID v4 for distributed systems where uniqueness is critical across multiple databases.

Time-Ordered IDs

Use UUID v1 or v7 for time-ordered identifiers that maintain chronological order.

Deterministic Generation

Use UUID v3 or v5 for generating consistent UUIDs from the same input data.

Security Applications

Use UUID v4 for tokens, session IDs, and other security-sensitive identifiers.

Why Choose Our UUID Generator?

🎯 RFC 4122 Compliant

All generated UUIDs follow the official RFC 4122 standard for maximum compatibility.

⚡ High Performance

Generate thousands of UUIDs instantly with client-side processing for maximum speed.

🔧 Developer Friendly

Multiple output formats, validation tools, and export options for seamless integration.

🆓 Completely Free

No registration, no limits, no watermarks. Generate as many UUIDs as you need.

UUID Format Examples

Standard Format

550e8400-e29b-41d4-a716-446655440000

Without Hyphens

550e8400e29b41d4a716446655440000

Uppercase

550E8400-E29B-41D4-A716-446655440000

Base64 Encoded

VQ6EAOKbQdSnFkZlVQAA