🔑 UUID Generator

Generate Universally Unique Identifiers instantly — Free, Secure & Private

✅ Copied!
How many UUIDs to generate?
Generated: 0
Version: v4
Format: Standard
Size: 0 bytes
Output
UUID v4 Structure
xxxxxxxx- xxxx- 4xxx- yxxx- xxxxxxxxxxxx
8 random chars
4 random chars
Version (4xxx)
Variant (yxxx)
12 random chars

🗄️ Databases

Use as primary keys in MySQL, PostgreSQL, MongoDB to avoid ID conflicts across distributed systems.

🔑 API Keys

Generate unique API tokens and session IDs for web applications and REST APIs.

📁 File Names

Create unique file names to prevent overwrites when uploading user files to servers.

🔐 Tokens

Generate password reset tokens, email verification links, and one-time codes.

{ } JSON

Use with our JSON Formatter to create unique IDs in JSON data structures.

🔒 Security

Combine with our Password Generator for maximum security credentials.