Widget

Embeddable VPN Cost Calculator Widget

A free, privacy-first VPN cost calculator you can embed on any website with a single iframe tag. Compare self-hosted (VPS) vs commercial VPN over 1–5 years. No tracking, no API key.

See the full calculator →

Live demo

This is exactly what your visitors will see once the widget is embedded. Try the controls to preview different themes and languages.

Theme:

Language:

Paste the snippet below into any HTML page. No JavaScript required on the host side.

<iframe
  src="https://www.vpnsmith.com/widget/vpn-cost-calculator?theme=dark&lang=en"
  width="480"
  height="480"
  frameborder="0"
  scrolling="no"
  title="VPN Cost Calculator — VPNSmith"
  loading="lazy"
  style="border-radius:12px;max-width:100%"
></iframe>
<p style="font-size:12px;color:#64748b;margin-top:4px">
  <a href="https://www.vpnsmith.com" rel="noopener" target="_blank" style="color:#FF6B1A;font-weight:600">Powered by VPNSmith</a>
  — Free self-hosted VPN cost calculator
</p>

Recommended attribution link (optional but appreciated):

<a href="https://www.vpnsmith.com/en/tools/self-hosted-vpn-cost-calculator" rel="noopener">Self-hosted VPN cost calculator by VPNSmith</a>

Why embed this widget?

Free, no limits

No API key, no account required. The iframe works indefinitely at no cost.

Privacy-first

All computation happens in your visitor's browser. No data ever leaves their device — ever.

Zero external dependencies

The widget is self-contained HTML. No CDN, no tracking, no third-party scripts.

Dofollow attribution link

The recommended snippet includes a "Powered by VPNSmith" link — transparent and optional.

Frequently asked questions

Does the widget transmit any data?

No. All calculations run locally in the visitor's browser (inline JavaScript). No data is ever sent to VPNSmith or any third party.

Can I customise the theme and language?

Yes, via the ?theme=dark or ?theme=light and ?lang=fr|en|es parameters in the iframe URL. Use the controls above to preview and generate the correct snippet.

What iframe size do you recommend?

480×480 px minimum. The iframe adapts to its container width.

Does the widget work on mobile?

Yes. The widget is responsive and tested on iOS Safari, Android Chrome and Firefox Mobile.

Must I credit VPNSmith?

It's not technically required, but we encourage you to include the attribution link. It helps us keep this service free.