jarvisbox

Embed Code Builder

Build responsive iframe embed code for any URL with custom width, height, and sandbox rules.

100% client-side · no upload
Settings

How to use

  1. Enter the URL you want to embed and set width, height, and a descriptive title.
  2. Optionally enable the sandbox attribute for extra security restrictions.
  3. Click "Generate embed code", then copy and paste the output into your HTML.

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Frequently Asked Questions

Is this tool free to use?
Yes, completely free with no account required.
Does my data leave my device?
No. All code is generated entirely in your browser. Nothing is sent to any server.
Does it work on mobile?
Yes. Works in Safari and Chrome on iOS and Android.
What does the sandbox attribute do?
Adding sandbox restricts what the embedded page can do: it blocks scripts, form submissions, and top-level navigation by default. Use it for untrusted or third-party content; omit it for trusted pages that need full functionality.
Why should I set a title on the iframe?
The title attribute is read by screen readers to describe the embedded content. Without it, assistive technology users have no way to know what the iframe contains. Always use a short, descriptive title like "Google Maps — Store location".

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