UUID v4 Generator - Generate Random Unique Identifiers
Generate cryptographically random UUID v4 identifiers in bulk.
Processed 100% locally in your browser. Never sent to our server.
Genera UUID v4
Informazioni su UUID v4 Generator - Generate Random Unique Identifiers
Uses crypto.randomUUID() or crypto.getRandomValues() to generate RFC 4122-compliant v4 UUIDs.
How to Generate UUID v4 Identifiers
1. Choose the number of UUIDs to generate (1 to 100).
2. Select uppercase or lowercase formatting options.
3. Click "Generate UUIDs" to produce cryptographically random RFC 4122 v4 UUIDs.
Esempi di utilizzo
Example UUID v4 Output
Standard v4 UUID: f47ac10b-58cc-4372-a567-0e02b2c3d479
Domande frequenti
What is a UUID v4?
A Version 4 UUID is a 128-bit random unique identifier generated using cryptographically strong pseudo-random numbers.
Can two generated UUID v4s collide?
The odds of generating a duplicate UUID v4 are virtually zero (1 in 2^122 or ~5.3 × 10^36).