Categories

← View All Tools

Venn Diagram Generator

Generate customizable Venn diagrams to visualize set relationships, intersections, exclusions, and hierarchical structures

Simplified format for Venn diagram. Layout is auto-detected: intersection=smaller set → parent-child; otherwise overlapping; 3+ sets with no intersections → disjoint.

Title that will be displayed above the diagram

Custom hex colors for sets (comma-separated). Overrides color scheme.

Opacity of the circles (0.2 to 1.0)

Font size for labels in pixels

Width of the chart in pixels

Height of the chart in pixels

Duration of animation in milliseconds

Background color for the chart container

Color for the background grid

Display background grid for better positioning

Display set names on the diagram

Display element counts in the circles

Display a legend below the diagram

Key Facts

Category
Data Visualization
Input Types
textarea, text, select, number, color, checkbox
Output Type
html
Sample Coverage
4
API Ready
Yes

Overview

The Venn Diagram Generator allows you to create professional, customizable diagrams to visualize complex set relationships, intersections, and hierarchical data structures with ease.

When to Use

  • •Comparing overlapping categories or shared attributes between different data groups.
  • •Illustrating hierarchical relationships such as subsets and supersets within a system.
  • •Presenting logical exclusions or disjoint sets to clarify data boundaries in reports.

How It Works

  • •Input your set data using the simplified JSON or pipe-separated format to define group names and their respective counts.
  • •Configure visual preferences like color schemes, border styles, and circle opacity to match your presentation requirements.
  • •Adjust layout settings such as chart dimensions, font sizes, and toggle labels or legends to refine the final output.
  • •Generate the diagram instantly to visualize your data relationships in a clear, graphical format.

Use Cases

Marketing analysis: Visualizing customer segments that overlap across different product interests.
Academic research: Mapping shared characteristics between distinct biological or social groups.
Project management: Identifying resource allocation overlaps between different departmental teams.

Examples

1. Customer Segment Overlap

Marketing Analyst
Background
The team needs to show how many customers are interested in both 'Electronics' and 'Home Goods' to plan a cross-promotion.
Problem
Visualizing the intersection of two distinct customer interest groups.
How to Use
Input the total counts for each category and the specific count for the intersection in the Set Data field.
Example Config
{"element": [{"name": "Electronics", "count": 500}, {"name": "Home Goods", "count": 400}], "Intersecting": [{"names": "Electronics,Home Goods", "count": 150}]}
Outcome
A clear Venn diagram showing the two main segments and the 150-customer overlap.

2. Organizational Hierarchy

HR Manager
Background
Need to illustrate that all 'Contractors' are part of the broader 'Staff' category for an internal presentation.
Problem
Representing a subset relationship where one group is entirely contained within another.
How to Use
Use the parent-child format where the intersection count matches the subset count.
Example Config
{"element": [{"name": "Staff", "count": 200}, {"name": "Contractors", "count": 50}], "Intersecting": [{"names": "Staff,Contractors", "count": 50}]}
Outcome
A diagram displaying the 'Contractors' circle nested inside the 'Staff' circle.

Try with Samples

data-visualization
Path Analyzer Samples
Comprehensive collection of file system paths from Windows, Linux, and macOS for path analysis and testing
task analyze
sample
PDF Samples
Generated PDF samples from tools dated 2026-02-01 to 2026-02-10
task generate
sample
WebRTC Real-Time Communication Samples
Comprehensive WebRTC samples for peer-to-peer audio/video communication, data channels, screen sharing, and signaling server implementation
keywords data
sample
Copyright-Free WAV Audio Samples
Uncompressed PCM WAV audio samples for testing and development, mirrored from MP3 set with nature sounds and meditation music
keywords set
sample

Related Hubs

Json Convert Tools
Explore 100 json tools for convert workflows and compare closely related utilities quickly.
Image Convert Tools
Explore 100 image tools for convert workflows and compare closely related utilities quickly.
Audio Convert Tools
Explore 100 audio tools for convert workflows and compare closely related utilities quickly.
Design Convert Tools
Explore 98 design tools for convert workflows and compare closely related utilities quickly.

FAQ

What data formats are supported?

You can use a structured JSON format for complex intersections or a simple 'Name|Count' text format for basic sets.

Can I create hierarchical diagrams?

Yes, by defining an intersection that equals the size of the smaller set, the tool automatically renders a parent-child relationship.

How do I change the colors of the circles?

You can select a predefined color scheme or provide custom hex codes in the 'Custom Colors' field to override defaults.

Can I export the diagram?

The tool generates an HTML-based visualization that can be viewed directly in your browser or captured via screenshot.

Is there a limit to the number of sets?

The tool supports multiple sets, though readability is best maintained with 2 to 4 overlapping groups.

API Documentation

Request Endpoint

POST /en/api/tools/euler-diagram-generator

Request Parameters

Parameter Name Type Required Description
chartData textarea Yes Simplified format for Venn diagram. Layout is auto-detected: intersection=smaller set → parent-child; otherwise overlapping; 3+ sets with no intersections → disjoint.
chartTitle text No Title that will be displayed above the diagram
borderStyle select No -
colorScheme select No -
customColors text No Custom hex colors for sets (comma-separated). Overrides color scheme.
circleOpacity number No Opacity of the circles (0.2 to 1.0)
fontSize number No Font size for labels in pixels
chartWidth number No Width of the chart in pixels
chartHeight number No Height of the chart in pixels
animationDuration number No Duration of animation in milliseconds
backgroundColor color No Background color for the chart container
gridColor color No Color for the background grid
showGrid checkbox No Display background grid for better positioning
showLabels checkbox No Display set names on the diagram
showValues checkbox No Display element counts in the circles
showLegend checkbox No Display a legend below the diagram

Response Format

{
  "result": "
Processed HTML content
",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
HTML: HTML

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-euler-diagram-generator": {
      "name": "euler-diagram-generator",
      "description": "Generate customizable Venn diagrams to visualize set relationships, intersections, exclusions, and hierarchical structures",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=euler-diagram-generator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]