UUID Generator
Generate random UUIDs (v4) instantly. Perfect for database keys, session IDs, and unique identifiers.
All processing happens in your browser. Your data never leaves your device.
How to Use
- 1Select the number of UUIDs to generate.
- 2Choose the output format.
- 3Click Generate UUIDs.
- 4Copy the generated UUIDs with one click.
What is UUID Generator?
A UUID Generator creates universally unique identifiers (UUIDs) following the RFC 4122 standard. UUIDs are 128-bit values used to uniquely identify information in computer systems.
This generator creates version 4 (random) UUIDs, suitable for database primary keys, session tokens, and distributed system identifiers.
Key Features
- RFC 4122 v4 compliant
- Batch generation (1-50 UUIDs)
- Multiple output formats
- One-click copy
- Instant generation
- No network requests needed
UUID Generator vs Other Tools
| Feature | UUID Generator | Other Tools |
|---|---|---|
| Client-side processing | Yes | Varies |
| No signup required | Yes | Often required |
| Privacy-first (no data sent) | Yes | Rarely |
| Free & unlimited | Yes | Often limited |
| No ads interruption | Yes | Often no |
FAQ
What is a UUID?
UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information in computer systems. A UUID like 550e8400-e29b-41d4-a716-446655440000 is practically guaranteed to be unique.
Are generated UUIDs truly random?
UUID v4 uses cryptographically strong random values from the Web Crypto API, making them suitable for use as unique identifiers in distributed systems.