How to Embed a Venn Diagram in Your Website

Generate a responsive, self-contained Venn diagram embed code and paste it into any website, blog, or CMS—no iframe or JavaScript required.

Why Embed Instead of Using an Image?

You could export a PNG and upload it to your site. It works, but an HTML Venn diagram embed is better in almost every way:

  • Responsive. The diagram scales to fit its container. It looks great on desktop, tablet, and mobile without any extra CSS.
  • Crisp on every screen. The embed uses inline SVG, which is vector-based. No blurry pixels on Retina displays or when zooming in.
  • No hosted image to maintain. The entire diagram lives inside your HTML. No image URLs to break, no CDN to worry about.
  • Fonts included. The embed bundles the Karla font as base64 data, so your diagram renders identically everywhere—even if the visitor's device doesn't have the font installed.
  • Accessible. Text inside the SVG is real, selectable text. Screen readers can read it, and search engines can index it.

Step-by-Step: Embedding a Venn Diagram

1

Open the Editor

Head to the venndiagrammer editor. It's completely free—no account, no download, no installation.

Open the Editor
2

Name Your Sets

Click the Set A and Set B labels above the diagram. Type the names of the two things you're comparing—for example, "Cats" and "Dogs".

3

Add Items to Each Region

Click inside any region of the diagram to start typing:

  • Left crescent — items unique to Set A
  • Overlap (center) — items shared by both sets
  • Right crescent — items unique to Set B

Press Enter to add another item. Press Backspace on an empty item to remove it.

4

Click the Embed Button

In the export bar below the diagram, click the </> Embed button. A modal will open with your Venn diagram embed code—ready to copy.

5

Copy and Paste the HTML

Click Copy to Clipboard, then paste the HTML into your website's source code or CMS editor. That's it—your embedded Venn diagram is live.

Tip: The embed code is a single block of HTML with no external dependencies. You can paste it anywhere that accepts raw HTML—no JavaScript, no stylesheet links, no iframe.

Where You Can Paste the Embed Code

The Venn diagram HTML embed works in virtually any platform that lets you insert raw HTML:

  • WordPress — Add a Custom HTML block in the block editor and paste the code.
  • Squarespace — Use a Code block inside any section.
  • Webflow — Drop an Embed element onto your canvas and paste the HTML.
  • Wix — Add an Embed a Site or Custom Element widget and paste the code.
  • Ghost, Hugo, Jekyll — Paste the raw HTML directly into your Markdown file. Most static-site generators pass HTML through unchanged.
  • Notion — Notion's embed blocks have limited HTML support. For Notion, export as PNG and use an image block instead.
  • Any HTML page — Paste the code into your <body> wherever you want the diagram to appear.

How the Embed Code Works

Understanding what's inside the embed helps you troubleshoot or customize it. Here's what venndiagrammer generates when you click Embed:

  • A responsive wrapper <div>. The outer div has a max-width matching the native diagram width and width: 100% so it shrinks on smaller screens.
  • An inline SVG. The entire Venn diagram is a single <svg> element. No external image files, no canvas, no JavaScript rendering.
  • Embedded font data. The Karla font is included as a base64 data URI inside the SVG's <style> block. This means your diagram looks the same on every device and browser.
  • An attribution link. A visually hidden (but accessible) link back to venndiagrammer.com is included. It doesn't affect the visual layout.

Tips for Embedding Venn Diagrams

  • Keep items concise. Short labels and items look better on mobile when the diagram scales down. Aim for 2–5 words per item.
  • Test on mobile. After embedding, preview your page on a phone to make sure the text is still readable at smaller widths.
  • Use a 2-circle diagram for simplicity. Two-circle Venn diagrams embed cleanly and are easier for readers to scan quickly.
  • No width needed. The embed automatically scales to fit its container. You don't need to set a width or add responsive CSS.
  • Customize after pasting. Since the embed is raw SVG, you can edit colors by changing fill values directly in the HTML if you want to match your site's palette.

Frequently Asked Questions

Does the embed code use an iframe?

No. The Venn diagram embed is inline HTML and SVG. There's no iframe, no external script, and no third-party request. Everything is self-contained in the code you paste.

Will it work in WordPress?

Yes. In the WordPress block editor, add a Custom HTML block and paste the embed code. It works in both WordPress.com and self-hosted WordPress sites. If your theme strips SVG tags, you may need to use a plugin that allows SVG in post content.

Can I customize the colors after embedding?

Yes. The SVG uses standard fill and opacity attributes on circle elements. Find the <ellipse> or <circle> tags in the embed code and change their fill values to any hex color you like.

Does it load any external resources?

No. The embed is completely self-contained. Fonts are inlined as base64, and all shapes and text are part of the SVG markup. No network requests are made when the diagram renders.

Is the embed responsive?

Yes. The wrapper div uses max-width and width: 100%, so the diagram scales down on smaller screens while never exceeding its native size. No additional CSS is needed.

Can I embed a 3-circle Venn diagram?

Yes. The embed feature works for both 2-circle and 3-circle Venn diagrams. Switch to 3-circle mode in the editor, fill in your content, and click </> Embed just like you would for a 2-circle diagram.

Is venndiagrammer free?

Completely free. No sign-up, no limits, no watermark on exports. Create and embed Venn diagrams as many times as you need.