UUID generator

Create UUID version 4 identifiers with the browser's secure random generator, then copy the list in one action.

Local processing
Local processing
Ready — nothing leaves this page
Input
Settings

No extra settings. This tool uses the input exactly as shown.

Run tool

Browser memory only. No upload fallback.

Result
Your result will appear here

The input stays available if you need to adjust a setting.

How to use uuid generator

  1. 1

    Choose how many identifiers you need.

  2. 2

    Generate UUID v4 values locally.

  3. 3

    Copy or download the list.

A realistic example

Generate ten IDs for fixtures in a local development database.

Supported formats and limits

Output: one lowercase UUID v4 per line.

  • V1 generates UUID v4 only.
  • Generated values are not stored, so copy them before leaving.

Questions people ask

Are the UUIDs random?

Yes. The tool uses `crypto.randomUUID()` when available.

Can LocalKit recover a generated UUID later?

No. Values are not saved by the product.