UUID/GUID Generator

Generate unique identifiers instantly. Perfect for databases, API keys, session IDs, and distributed systems.

Configuration

Most commonly used

Max 100

Generated UUIDs (1)

Click any UUID to copy
f6432f19-c6bc-4c05-a35c-88740c603276

Database IDs

Use UUIDs as primary keys in distributed databases to avoid ID conflicts across systems.

API Keys & Tokens

Generate unique identifiers for API keys, session tokens, and authentication systems.

File Names

Create unique file names for uploads, preventing naming conflicts and ensuring uniqueness.

Format Examples

Default (lowercase)
550e8400-e29b-41d4-a716-446655440000
UPPERCASE
550E8400-E29B-41D4-A716-446655440000
No Hyphens
550e8400e29b41d4a716446655440000
With Braces
{550e8400-e29b-41d4-a716-446655440000}
With Quotes
"550e8400-e29b-41d4-a716-446655440000"

About UUIDs

What is a UUID? A Universally Unique Identifier (UUID) is a 128-bit number used to uniquely identify information in computer systems.

Version 4: The most commonly used version. Generated using random or pseudo-random numbers. The probability of collision is extremely low.

Format: Standard format is 8-4-4-4-12 hexadecimal characters (32 hex digits + 4 hyphens = 36 characters total).

Uniqueness: With 2^122 possible UUIDs, the probability of generating a duplicate is virtually zero.