Developer Tools

UUID generator

Generate version 4 UUIDs with the browser cryptographic API.

JavaScript is required to run the interactive tool. Open the tool separately if it does not load in the frame.

How to use it

Choose a count from 1 to 100 and press Run.

Example

Generate three UUIDs for local test records.

Frequently asked question

Are these sequential IDs?

No. Version 4 UUIDs are randomly generated.

Limits and privacy

Generation requires crypto.randomUUID in a secure browser context. It is not a database uniqueness guarantee.

Tool input is processed in a separate browser environment without advertising or analytics scripts. This page does not upload it to the service.