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Generators

UUID Generator

Generate one or many RFC 4122 version 4 UUIDs (GUIDs) with the Web Crypto API. Ideal for test data, primary keys, and request IDs—created locally in your browser.

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How to use

  1. Choose how many UUIDs you need
  2. Generate the list
  3. Copy or download the IDs

Next step

  • Password Generator

    Generate strong, random passwords with customizable length and character sets. Runs locally in your browser.

  • Hash Generator

    Generate cryptographic digests for checksums and integrity checks using the Web Crypto API. Your text never leaves the browser.

Frequently asked questions

Which UUID version is generated?

Version 4 (random) UUIDs via crypto.randomUUID() in supporting browsers.

Are UUIDs stored or uploaded?

No. Generation happens locally and nothing is sent to our servers.

How many can I generate at once?

Up to 100 per run. Use presets for 1, 10, or 50, then copy or download the list for fixtures and seed data.