UUID Generator
UUID v4 (random) and v7 (time-ordered), plus an inspector for existing UUIDs.
The link keeps what is on screen.
Result
Inspect UUID
How is it calculated?
See the code ↗Processed in your browser; nothing is sent.
⌨️ Use from the terminal (JSON)
This tool also runs outside the site: the cli.js script uses the same logic as this page and returns the result as JSON. Parameters are the same as this page's URL — copy the command below with the values on screen.
Deno
deno run -q "https://thecodecodex.com/cli.js?tool=uuid"
Node.js / Bun
curl -s https://thecodecodex.com/cli.js | node --input-type=module - uuid ver=…
| Parameter | Description | Default |
|---|---|---|
| ver | 4 | 7 | 4 |
| q | quantidade (1-100) | 5 |
| upper | 1 = maiúsculas | 0 |
| hyphens | 0 = sem hífens | 1 |
| v | UUID para inspecionar | — |
Requires Deno, Node.js or Bun. With Deno the script runs with no permissions: it cannot read files or access the network. Central Bank indicators are from the day the site was published.