Pie Chart

Free Online Pie Chart Maker

Generate pie charts from simple text syntax. No spreadsheets, no drag-and-drop — just write your data and see it render.

Try it live 

pie title Global Cloud Provider Market Share 2024
    "AWS" : 31.0
    "Azure" : 25.0
    "Google Cloud" : 11.0
    "Alibaba Cloud" : 4.0
    "Salesforce" : 3.0
    "Other" : 26.0

When to use pie chart

Data reporting

Embed proportion charts in technical documentation, READMEs, and reports.

Market analysis

Visualize market share, survey results, and percentage breakdowns.

Resource allocation

Show how time, budget, or capacity is split across categories.

Key syntax

pieDeclare pie chart
title My ChartOptional chart title
"Label" : valueData slice (numeric value)
showDataShow values in legend

How to create a pie chart with Mermaid

1

Open FlowViz and type pie on the first line.

2

Optionally add a title: title My Chart Title.

3

Add data slices: "Label Name" : numeric_value.

4

Add as many slices as needed — Mermaid handles the math.

5

Optionally add showData to display values in the legend.

6

Export as SVG for use in documents or presentations.

Related tools

QBR Agenda Generator →

Start diagramming now

No signup. No install. Just open the editor and start writing.