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Stacked Area Chart Generator

Generate stacked area charts showing cumulative trends of multiple data series, perfect for visualizing total trends and component contributions

Data for the stacked chart. Supports multi-series JSON for stacking or single series array

Title that will be displayed above the chart

Colors for multiple areas (comma-separated hex colors). Leave empty for default colors.

Opacity of the area fill (0.1 to 1.0)

Background color for the chart container

Color for the grid lines

Width of the area boundary lines in pixels

Height of the chart in pixels

Maximum value for Y-axis (leave empty for auto-scale)

Minimum value for Y-axis

Label for the X-axis

Label for the Y-axis

Display grid lines for better readability

Display data points on the areas

Display the actual values on data points

Display a line showing the cumulative total

Convert values to percentages showing relative contribution

Display a legend below the chart

Key Facts

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

Overview

The Stacked Area Chart Generator allows you to create professional, customizable charts that visualize cumulative trends and the relative contribution of multiple data series over time.

When to Use

  • •When you need to visualize how individual components contribute to a total value over a period.
  • •When comparing cumulative trends across multiple categories or product lines.
  • •When you want to highlight the overall growth or decline of a dataset while maintaining visibility into its sub-parts.

How It Works

  • •Input your data in JSON format, specifying labels and multiple series of values.
  • •Customize the visual appearance by selecting curve types, adjusting colors, and setting axis labels.
  • •Toggle display options like grid lines, data points, or total lines to refine the chart's readability.
  • •Generate the chart instantly to visualize your data trends.

Use Cases

Tracking monthly revenue growth broken down by individual product categories.
Visualizing website traffic sources over time to see which channels contribute most to total visits.
Monitoring cumulative resource usage across different departments in a company.

Examples

1. Quarterly Revenue Breakdown

Financial Analyst
Background
An analyst needs to present how three different product lines contributed to the total quarterly revenue.
Problem
It is difficult to see the total growth while simultaneously tracking the performance of each product line.
How to Use
Input the quarterly labels and the revenue data for each product as separate series, then select 'Smooth' curve type.
Example Config
{"labels": ["Q1", "Q2", "Q3", "Q4"], "series": [{"name": "Hardware", "data": [100, 120, 150, 180]}, {"name": "Software", "data": [80, 90, 110, 130]}, {"name": "Services", "data": [50, 60, 70, 80]}]}
Outcome
A smooth stacked area chart clearly showing the total revenue growth and the proportional contribution of Hardware, Software, and Services.

2. Website Traffic Source Analysis

Marketing Manager
Background
The marketing team wants to understand how organic, social, and paid traffic sources have evolved over the last six months.
Problem
Standard line charts overlap, making it hard to see the total traffic volume.
How to Use
Input monthly traffic data for each source and enable the 'Show Total Line' feature.
Example Config
{"labels": ["Jan", "Feb", "Mar", "Apr", "May", "Jun"], "series": [{"name": "Organic", "data": [200, 220, 250, 270, 300, 320]}, {"name": "Social", "data": [50, 60, 80, 70, 90, 100]}, {"name": "Paid", "data": [100, 110, 100, 120, 130, 150]}]}
Outcome
A clear stacked area chart that displays the total traffic trend while highlighting the specific impact of each marketing channel.

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FAQ

What data format is required?

The tool accepts a JSON object containing a list of labels and an array of series, where each series includes a name and its corresponding data points.

Can I change the shape of the lines?

Yes, you can choose between linear, smooth (curved), or step (staircase) line styles in the settings.

Is it possible to show percentages instead of raw values?

Yes, you can enable the 'Normalize to 100%' option to convert all values into relative percentage contributions.

Can I customize the chart colors?

Yes, you can provide a comma-separated list of hex color codes in the 'Area Colors' field to match your branding.

What is the maximum number of series I can add?

There is no strict limit, but for optimal readability, we recommend keeping the number of series manageable to avoid visual clutter.

API Documentation

Request Endpoint

POST /en/api/tools/stacked-area-chart

Request Parameters

Parameter Name Type Required Description
chartData textarea Yes Data for the stacked chart. Supports multi-series JSON for stacking or single series array
chartTitle text No Title that will be displayed above the chart
curveType select No -
areaColors text No Colors for multiple areas (comma-separated hex colors). Leave empty for default colors.
fillOpacity text No Opacity of the area fill (0.1 to 1.0)
backgroundColor color No Background color for the chart container
gridColor color No Color for the grid lines
lineWidth number No Width of the area boundary lines in pixels
chartHeight number No Height of the chart in pixels
maxValue number No Maximum value for Y-axis (leave empty for auto-scale)
minValue number No Minimum value for Y-axis
xAxisLabel text No Label for the X-axis
yAxisLabel text No Label for the Y-axis
showGrid checkbox No Display grid lines for better readability
showPoints checkbox No Display data points on the areas
showValues checkbox No Display the actual values on data points
showTotalLine checkbox No Display a line showing the cumulative total
normalizeData checkbox No Convert values to percentages showing relative contribution
showLegend checkbox No Display a legend below the chart

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-stacked-area-chart": {
      "name": "stacked-area-chart",
      "description": "Generate stacked area charts showing cumulative trends of multiple data series, perfect for visualizing total trends and component contributions",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=stacked-area-chart",
      "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]