UUID Generator

Generate RFC 4122 version 4 UUID-style identifiers.

How to use the UUID Generator

Choose how many identifiers you need, then generate them locally in your browser. Review the available options first so the generated output matches the format you actually need.

What this generator creates

Generate RFC 4122 version 4 UUID-style identifiers. The tool is designed for quick, repeatable generation without pre-filled personal data.

When this tool is useful

Use the UUID Generator when you need a fresh sample or output for testing, drafting, setup, or brainstorming and do not want to build it manually. Review each generated result before using it in a public, production, or security-sensitive context.

How generation works

The tool uses the browser’s UUID capability when available, with a standards-style version 4 fallback based on secure browser randomness.

Practical example

For example, generate several UUIDs for test records, fixtures, or local identifiers in development.

Use it responsibly

  • UUIDs are designed to have an extremely low collision probability, not a mathematical guarantee of uniqueness.
  • Do not treat a UUID as a password or secret token by itself.
  • Check the identifier requirements of the system you are integrating with.