UUID Generator

Settings

UUID Version:

Format:

Standard (8-4-4-4-12)

Uppercase

No dashes

With braces {UUID}

UUID Versions

UUID v4: Randomly generated with 122 bits of entropy. RFC 4122 compliant. Most commonly used for general purposes like session IDs, database primary keys, and unique identifiers.

What is a UUID Generator?

A UUID (Universally Unique Identifier) generator creates unique 128-bit identifiers used in software development, databases, and distributed systems. This browser-based tool generates cryptographically secure UUIDs instantly without sending any data to servers, ensuring complete privacy.

Supported UUID Formats:

UUID v1: Time-based UUIDs with timestamp and MAC address
UUID v4: Random UUIDs using cryptographically secure random numbers
Multiple Formats: Generate with or without hyphens, uppercase or lowercase
Bulk Generation: Generate multiple UUIDs at once
Copy to Clipboard: One-click copy functionality

Use Cases:

Database primary keys and unique identifiers
API request tracking and session IDs
File naming and resource identification
Distributed system coordination

🔒 Privacy-Friendly: UUIDs are generated directly in your browser using secure random number generation. No data is sent to any server.

⚠️ Disclaimer: UUIDs generated here are provided without any guarantees. While the browser's cryptographic random number generator is used, we cannot guarantee absolute uniqueness across all systems. Use these UUIDs at your own discretion and responsibility. Avoid using UUIDs from cached or archived pages.