Pie Chart Maker — Free CSV to Pie Chart, Browser-Based
Two-column CSV in, pie chart out. Auto-coloured slices, PNG export, pure client-side.
How to use
- 1 Paste two columns — label and value. Each row becomes a slice.
- 2 Adjust the legend toggle if your labels are long.
- 3 Download the chart as PNG.
Why use this tool
- Two-column CSV — keep your data simple.
- Auto-coloured slices from a curated 10-colour palette.
- Chart.js loaded lazily — small initial bundle.
- Pure client-side rendering — your data never uploads.
Frequently asked questions
Should percentages add up to 100?
They do not have to — Chart.js renders raw values as proportions of the total.
Want a hollow centre?
Use the <a class="underline" href="/doughnut-chart-maker">Doughnut Chart Maker</a> — same input shape, ring layout.
Looking for trend lines?
Try the <a class="underline" href="/line-chart-maker">Line Chart Maker</a>.
What is Pie Chart Maker?
A Pie Chart Maker is a tool that converts two-column CSV data into a pie chart in the browser. It divides a circle into proportional slices, one per row, and assigns each slice a colour automatically. The resulting chart can be exported as a PNG image, with all rendering performed client-side and no data uploaded to a server.
Pie Chart Maker is a free creator utility by Zerethon Tools. Two-column CSV in, pie chart out. Auto-coloured slices, PNG export, pure client-side. Runs entirely in the browser — no signup, no upload.
- Category
- Creator
- Pricing
- Free
- Privacy
- Browser-based
- Signup
- Not required
Privacy
Your data never leaves your browser unless explicitly stated. Pie Chart Maker runs entirely client-side — no server upload, no logging, no tracking of your input.
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