Advanced iFrame Generator (HTML)
Generate clean, responsive iframe code with lazy loading, sandbox and permission controls — in a simple, visual way. Paste your URL, tweak the options, preview, and copy.
Free & unlimited use
Perfect for WordPress & Elementor
1 Set your iframe source & basic size
Source & layout
Paste your URL, add a clear title and choose how wide and tall the iframe should be.
Essentials
Public page, video, map, form, widget, etc.
Helps with accessibility & SEO
Quick size presets
Fixed or percentage
Fixed or viewport
2 Style the iframe (border, radius & background)
Appearance
Match the iframe with your site design using border, radius and background options.
Visual
Style & color
0 for no border
Rounded corners
Optional
3 Behaviour, performance & privacy
Advanced settings
Control scrolling, lazy loading, sandbox and permissions — without touching the HTML.
Advanced (still simple)
Performance & scrolling
Keep aspect ratio on all screens
Optional privacy setting
Extra security (optional)
Only if your content needs them
4 Preview & copy your iframe HTML
Preview & code
Test your iframe on different device widths and copy the final HTML when you’re happy.
Copy-ready
Paste a URL above to see the live iframe preview. Use the device buttons to test how it looks on desktop, tablet and mobile.
Note: some websites block embedding using X-Frame-Options or Content Security Policy headers.
If the preview stays blank, the source may not allow iframes — even if your code is correct.

Advanced iFrame Generator by Custom IFrame

When you want to embed something on your website – a form, a map, a video, a chart, or a small web app – the easiest way to do it is through an iframe. The challenge is that most people either copy outdated iframe code or spend too much time trying to make it responsive, mobile-friendly, and visually consistent with their design.

Our Advanced iFrame Generator was built to solve that problem. It gives you a simple place to paste a URL, adjust a few settings, preview the result, and copy clean HTML that works on modern websites.

The goal is to make embedding easier for everyone, whether you’re building a small blog or managing a large WordPress site.

What This iFrame Generator Does?

This tool creates updated, HTML5-ready iframe code without needing to write anything manually. You choose the size, pick the layout, enable or disable scrolling, adjust the border and radius, and decide which permissions or security settings should be active. The preview updates instantly, so you can see exactly how the iframe will look on desktop, tablet, and mobile.

Many iframe generators online still use older code or offer only a few basic fields.

We wanted something more complete, but still simple enough to understand at a glance. Everything in the tool is designed to be practical, readable, and straightforward.

Why We Built a Better iFrame Generator?

We run Custom iFrame, so we see how often people struggle with embed issues inside WordPress and Elementor. The same problems come up repeatedly: the iframe isn’t responsive, it doesn’t match the website design, the preview isn’t working, or the embed breaks layout on mobile.

Most generators on the web haven’t been updated in years. They don’t include sandbox settings, permission controls, aspect ratios, or security attributes. Even basic things like lazy loading or referrer policies are missing.

This generator brings all of those modern requirements into one place. It’s easy for a beginner but includes the flexibility a developer expects.

How to use our FREE iFrame Generator Tool?

You only need three steps.

1. Add the URL

Enter the link you want to embed. It can be a map, dashboard, booking page, form, video, or any public URL that allows embedding.

2. Adjust the settings

Choose the width and height, border style, radius, background, loading behavior, permissions, sandbox level, and responsive mode. Every setting updates the iframe code instantly.

3. Preview and copy

Switch between desktop, tablet, and mobile to see how your iframe behaves. Once everything looks right, copy the code and paste it into your website.

Why This Generator Is Better Than the Usual Tools?

A few details make this version stand out.

It has a cleaner, more modern interface.
You don’t need to dig through cluttered fields. Everything is laid out step-by-step, and the preview updates in real time.

It produces responsive iframe code by default.
Responsiveness is one of the most common issues with embeds. The tool uses a container with aspect-ratio support so your iframe adapts smoothly on smaller screens.

It includes security and privacy settings.
Features like sandbox, referrerpolicy, and allow permissions help you control how the embedded content behaves.

It’s built for performance.
Options like lazy loading help reduce page weight and improve load times, which is especially helpful for long posts or landing pages.

It works with every site builder.
You can paste the output code into Elementor, Gutenberg, Wix, Webflow, Squarespace, Shopify, or any CMS that lets you use HTML.

What You Can Embed With an iFrame?

An iframe is useful whenever the content you want to display already exists somewhere else. Here are a few examples where iframes work especially well:

  • Video platforms such as YouTube or Vimeo

  • Google Maps and other map services

  • Interactive forms and surveys

  • Booking tools and scheduling widgets

  • Analytics dashboards or reports

  • Notion pages, Airtable views, and online documents

  • Charts, calculators, or small web tools

  • Public pages from external services

If the source is designed to work inside an iframe, you’ll get a clean embed that stays up-to-date automatically.

Why Some iFrames Don’t Load?

If you paste a URL and the preview shows a blank screen, it often means the original site blocks iframe embedding. Many platforms use headers like X-Frame-Options or Content-Security-Policy to prevent other sites from framing their content.

In those situations, the generator will still produce correct HTML, but the source website refuses to display inside an iframe. This is normal behavior for banking sites, admin dashboards, login-required pages, and many large platforms.

Best Practices When Embedding Content

A few simple guidelines make iframe embeds safer and more reliable.

  • Use responsive mode when possible, especially if your website receives mobile traffic.
  • Lazy loading helps your pages load faster and keeps your Core Web Vitals strong.
  • Only enable permissions your content actually needs; this keeps your site safer.
  • Avoid embedding pages that require a login.
  • Use sandbox restrictions when embedding unknown or interactive widgets.
  • Check the preview on multiple device sizes before placing the iframe inside your layout.

These small steps lead to smoother embeds and a more consistent visitor experience.

iFrame Generator vs. Custom iFrame Plugin

This online tool is great when you want clean HTML code that works anywhere. You paste the code yourself and control where it appears.

Our Custom iFrame plugin is better for users who work on WordPress and want more automation. The plugin adds an Elementor widget and has automatic responsiveness, device visibility controls, URL protection options, and global settings for managing multiple iFrames at once, also you can embed 100+ sources for FREE!

Both options work well together:
the generator creates the embed, and the plugin helps you manage it inside WordPress.

Frequently Asked Questions

Can I embed any website with this generator?
Only if the website allows iframe embedding. Some sites block framing through security headers.

Why does the preview show nothing?
The source website might be blocking iframes, even if the code is valid.

Can I paste the code into Elementor?
Yes. Use the HTML widget and the embed will work normally.

Is the code SEO-safe?
Yes. The generator produces updated iframe HTML with modern attributes such as lazy loading and descriptive titles.

Does this work on Shopify, Webflow, or Wix?
Anywhere you can paste HTML, the output code will work.

Final Notes

The goal of this generator is to make embedding simple and reliable. You shouldn’t have to experiment with outdated code or guess how something will behave on mobile. The preview, device modes, layout presets, and modern attributes are all included to help you create the cleanest possible embed.

If you work with WordPress or Elementor and want a smoother way to manage multiple iframes, take a look at the Custom iFrame plugin. It adds more control, more options, and an easier workflow for sites that rely on embeds regularly.