DEV 🎲 Generation

UUID / GUID Generator

UUIDs (Universally Unique Identifiers) are 128-bit values used to uniquely identify information in computer systems. Version 4 UUIDs are randomly generated and compliant with RFC 4122.

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How to Use

  1. Set the quantity of UUIDs to generate (1–50).
  2. Choose the output format: lowercase with dashes, uppercase, or no dashes.
  3. Select your preferred delimiter (newline or comma).
  4. Click Generate to create your UUIDs.

How It Works

Each UUID is generated using 16 random bytes from crypto.getRandomValues(). Bytes 6 and 8 are masked to set version 4 (0100xxxx) and variant bits (10xxxxxx) per the RFC 4122 specification.
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