Free UUID Generator Online

Generate cryptographically secure UUID v4 identifiers instantly. Perfect for developers, database keys, and unique ID requirements. No registration required.

Cryptographically Secure
UUID v4 Standard
Bulk Generation

About UUID Generator

Our free UUID generator creates unique identifiers using the UUID v4 standard, which provides 122 bits of randomness making collisions virtually impossible. This tool is perfect for developers who need unique IDs for databases, session tokens, or any application requiring unique identifiers.

Why Use Our UUID Generator?

  • Cryptographically Secure: Uses Web Crypto API for true randomness
  • No Registration: Generate UUIDs instantly without signing up
  • Bulk Generation: Create up to 100 UUIDs at once
  • Custom Formatting: Choose hyphens and uppercase options
  • Free Forever: No limits or hidden charges

Common Use Cases

Database Primary Keys

Generate unique IDs for database records

Session Tokens

Create secure session identifiers

API Keys

Generate unique API authentication keys

File Names

Create unique file identifiers