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UUID Generator

Generate cryptographically random UUID v4 identifiers.

About UUID Generator

UUID Generator creates RFC 4122 version 4 identifiers — 122 random bits, formatted as 8-4-4-4-12. They are safe to generate offline and do not require a central authority.

Use them as database keys, request IDs, or idempotency tokens.

How to use UUID Generator

  1. 1

    Choose a quantity

    Generate one or a batch; each value is independent.

  2. 2

    Pick a format

    Lowercase, uppercase, or without hyphens for compact storage.

  3. 3

    Copy or download

    Copy the list or export it as a text file.

Questions about UUID Generator

Can two UUIDs collide?

With 122 random bits the chance is negligible — you would need billions of values before it becomes a realistic concern.

Are they truly random?

They use the browser's cryptographic random generator, not Math.random.

What is the difference between v4 and v7?

v4 is fully random. v7 embeds a timestamp, which sorts better in databases. This tool generates v4.

Are generated IDs sent anywhere?

No. Generation is local to your browser.

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Last updated November 2026. Files are processed on FilePlume's own hardware and deleted within 60 minutes; nothing is used for training.