UUID Generator

Generate RFC 4122 v4 UUIDs in bulk with one click.

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How it works

Choose how many UUIDs to generate.
Generate RFC 4122 version 4 UUIDs in bulk.
Copy them individually or all at once.

What people use it for

Creating unique IDs for database records or test data.
Generating a batch of UUIDs for a seed script.
Getting a quick unique identifier.

Good to know

These are random (v4) UUIDs; if you need time-ordered or name-based UUIDs (v1/v5), those are a different scheme.
Random UUIDs are practically unique but not guaranteed by a central authority.

Frequently asked questions

What is a v4 UUID?

A 128-bit identifier generated from random data (RFC 4122 version 4). Collisions are astronomically unlikely, which is why they're used for distributed unique IDs.

Can I generate many at once?

Yes, set a count and generate a whole batch, then copy them together.

Is the randomness secure?

UUIDs are generated locally in your browser using its cryptographic random source, and nothing is uploaded.

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