UUID Generator

Free online UUID generator. Create UUIDs v1, v4, and other versions for your applications.

developerFree & Private

FAQ

What is UUID?▼

UUID (Universally Unique Identifier) is a 128-bit identifier guaranteed to be unique across distributed systems.

When should I use UUID?▼

Use UUIDs for database IDs, API tokens, and any scenario requiring globally unique identifiers.

Use Cases

Database IDs

Generate unique primary keys for database records

API Tokens

Create unique tokens for API authentication

Examples

Generate UUID v4

Input:

Click Generate

Output:

550e8400-e29b-41d4-a716-446655440000