For publishers

Free travel plug checker for your site

Drop a plug, voltage, and frequency checker straight into your travel guide or blog post. Readers pick their home country and destination and see at a glance whether they need an adapter or a converter. It is free, brandable to match your site, and works on any platform that allows an iframe.

Live preview

Embed code

<iframe src="https://www.globalplugs.com/embed/plug-checker"
  title="Travel plug and voltage checker" width="100%" height="540"
  style="border:0;max-width:440px;border-radius:14px" loading="lazy"></iframe>
<p style="font:13px/1.5 sans-serif">
  <a href="https://www.globalplugs.com/" rel="noopener">Travel plug &amp; voltage checker</a> by Global Plugs
</p>

1
Copy the code
Use the Copy button above to grab the snippet.
2
Paste it into your page
Drop it into a custom HTML or embed block wherever the widget should appear.
3
Keep the credit link
Leave the short credit line under the widget in place. That is the only condition for using it for free.

Match your brand

Switch to a light theme and set a custom CTA colour so the widget blends with your site. The button text colour is picked automatically from the luminance of the colour you pass.

Light theme

Add ?theme=light for sites with a light background.

Embed code

<iframe src="https://www.globalplugs.com/embed/plug-checker?theme=light"
  title="Travel plug and voltage checker" width="100%" height="540"
  style="border:0;max-width:440px;border-radius:14px" loading="lazy"></iframe>
<p style="font:13px/1.5 sans-serif">
  <a href="https://www.globalplugs.com/" rel="noopener">Travel plug &amp; voltage checker</a> by Global Plugs
</p>

Custom CTA colour

Pass any 3 or 6 character hex value (# optional) to recolour the CTA button. The example below uses ff6b35.

Embed code

<iframe src="https://www.globalplugs.com/embed/plug-checker?theme=light&amp;cta=ff6b35"
  title="Travel plug and voltage checker" width="100%" height="540"
  style="border:0;max-width:440px;border-radius:14px" loading="lazy"></iframe>
<p style="font:13px/1.5 sans-serif">
  <a href="https://www.globalplugs.com/" rel="noopener">Travel plug &amp; voltage checker</a> by Global Plugs
</p>

Pick a home country for your audience

By default the widget detects the visitor’s home country from their browser locale and IP address. If your audience is mostly one country, override that.

Pre-select the home country

Add ?from=us (or any two-letter country code) so visitors land on the right home country. They can still change it.

Embed code

<iframe src="https://www.globalplugs.com/embed/plug-checker?from=us"
  title="Travel plug and voltage checker" width="100%" height="540"
  style="border:0;max-width:440px;border-radius:14px" loading="lazy"></iframe>
<p style="font:13px/1.5 sans-serif">
  <a href="https://www.globalplugs.com/" rel="noopener">Travel plug &amp; voltage checker</a> by Global Plugs
</p>

Lock the home country

Add &lock=1 to hide the From picker entirely. The country shows as static text and the visitor only picks their destination.

Embed code

<iframe src="https://www.globalplugs.com/embed/plug-checker?from=us&amp;lock=1"
  title="Travel plug and voltage checker for US travellers" width="100%" height="540"
  style="border:0;max-width:440px;border-radius:14px" loading="lazy"></iframe>
<p style="font:13px/1.5 sans-serif">
  <a href="https://www.globalplugs.com/" rel="noopener">Travel plug &amp; voltage checker</a> by Global Plugs
</p>

Parameter reference

Parameter	Effect	Example
from	Pre-select the home country. Two-letter country code.	?from=us
lock	Hide the From picker. Requires `from`.	?from=uk&lock=1
theme	`light` or `dark` (default).	?theme=light
cta	CTA button hex colour (3 or 6 chars, `#` optional).	?cta=ff6b35

Parameters can be combined. Example: ?from=us&theme=light&cta=ff6b35

Size and placement

The widget is designed for 440 pixels wide and 540 pixels tall. To fit a sidebar or a wide content column, change the width, height, and max-width on the iframe. On mobile the iframe scales fluidly to the container width.

Platform instructions

The snippet is plain HTML, so it works anywhere a platform allows a custom HTML or embed block.

WordPress

In the block editor, add a Custom HTML block and paste the snippet. In the classic editor, switch to the Text tab and paste anywhere in the post body.

Ghost

Add an HTML card (press / and choose HTML), then paste.

Substack

Use the embed block, choose Custom HTML, and paste. Newsletter previews render the iframe in a fallback link, the web version renders it normally.

Squarespace

Add a Code block, set the language to HTML, paste the snippet, and save.

Webflow

Drop an Embed element into the layout, paste, and publish.

Plain HTML / static sites

Paste anywhere inside the page body. No script tags or dependencies needed.

Why add it

It answers a real question every traveller has, without sending readers off your page to look it up.
The data covers every country and is kept current with official plug, voltage, and frequency specifications.
It is lightweight and loads lazily, so it will not slow your page down.
Nothing to maintain. Updates happen on our side and reach every embed automatically.

Questions

Is it really free?

Yes. The only condition is keeping the visible credit link to globalplugs.com that ships with the snippet.

Will it slow my site down?

No. The widget is a small static document and the iframe is set to load lazily, so it only loads when a reader scrolls near it.

Can I match it to my brand?

Yes. Use ?theme=light for light backgrounds and ?cta=YOURHEX to recolour the call-to-action button. See the Match your brand section above for examples.

Can I resize it?

Yes. Adjust the width, height, and max-width values on the iframe tag. A width near 440 pixels and a height near 540 pixels works well in most layouts.

Will it detect my reader's home country?

Yes. The widget reads the visitor’s browser locale and falls back to an IP-based lookup to set the home country automatically. If you want it pinned to one country, add ?from=us (or any other two-letter country code) to the iframe URL.

Does it set cookies or track readers?

No tracking cookies and no third-party scripts. The widget caches the visitor’s last-selected country in its own localStorage so they do not have to re-pick on return visits, and nothing else.