UUID Generator

Generate various versions of Universally Unique Identifiers (UUIDs) with batch generation and custom formats

UUID Examples

Contains timestamp and node information, traceable generation time

Completely random generation, most commonly used version

Timestamp-based, supports time-based sorting

UUID v1: Based on timestamp and MAC address, traceable generation time and location
UUID v4: Completely random generation, most commonly used, high security
UUID v7: Timestamp-based, supports time-based sorting, suitable for database primary keys
Uniqueness: UUIDs are globally unique with extremely low probability of duplication
Format: Standard format is 8-4-4-4-12 hexadecimal characters
All generation is done in the browser, protecting privacy and security

Select UUID version and generation count

UUID Version

Generation Count

Generate multiple UUIDs at once

Output Format

Validate UUID format correctness

Input UUID