Question 1

What is an HTML iframe?

Accepted Answer

An iframe (inline frame) is an HTML element that embeds another HTML page inside the current page. It's commonly used to embed videos, maps, social widgets and external content.

Question 2

What does the sandbox attribute do?

Accepted Answer

The sandbox attribute adds extra security restrictions to the iframe content. It can limit scripts, forms, popups and other potentially dangerous features. Without a sandbox value, all restrictions apply.

Question 3

How do I make an iframe responsive?

Accepted Answer

Set width to 100% and use a wrapper div with a padding-bottom percentage based on the aspect ratio (e.g. 56.25% for 16:9). Or use CSS aspect-ratio property.

Question 4

Is this iframe generator free?

Accepted Answer

Yes, this iframe generator is completely free and runs entirely in your browser. No data is sent to any server.