Code & web

UUID generator

Generate unique UUID v4 identifiers for databases and projects.

Embed this calculator on your website

Copy this code and paste it into your page (WordPress, Wix, Webflow, HTML…). It's free: please keep the link to HOD Calc.

<iframe src="https://calc.hod-group.com/embed/?hodtool=uuid&amp;hodlang=en" title="UUID generator" loading="lazy" style="width:100%;max-width:720px;height:560px;border:0;border-radius:12px" data-hodcalc></iframe>
<p style="font:13px sans-serif;margin:6px 0 0">Calculator by <a href="https://calc.hod-group.com/en/uuid-generator/">HOD Calc</a></p>
<script async src="https://calc.hod-group.com/assets/embed.js"></script>

How it works

A UUID v4 has 122 random bits: the chance of two being identical is practically zero.

Results are for guidance only and do not replace professional advice.

Frequently asked questions

How does the “UUID generator” tool work?

A UUID v4 has 122 random bits: the chance of two being identical is practically zero.

What do I need to enter?

Just fill in: how many, format. The result updates as you type.

Is this calculator free, and is my data private?

Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.