Part-to-whole comparisons
Channel share, budget allocation, survey responses, and other totals split into a small number of distinct parts.
Local MVP No sign-up. No server uploads.
Free Pie Chart Generator
Use this free pie chart generator with CSV, Excel, or pasted data to make a polished pie or donut chart when every value is part of one meaningful whole.
✓ CSV & Excel✓ Editable SVG✓ Browser only
Your workspace
Create a pie chart from CSV or Excel
Choose one category field and one non-negative numeric field.
Browser workspace
Your data stays on this device
Drop your spreadsheet here
CSV, XLSX, or XLS · processed only in your browser
or start with a sample
Clear inputs, honest output
Use no more than 12 unique categories. Values must be non-negative and add up to more than zero.
Your file stays local
Parsing, chart rendering, and exports happen on this device. Charttoolbox does not upload or inspect your spreadsheet.
Frequently asked questions
Before you create the chart
What should the first row contain?+
Use clear column headers. The tool suggests category and value fields, and you can change every selection before exporting.
Can I paste data from a spreadsheet?+
Yes. Copy a table from Excel or Google Sheets, choose Paste data, and keep the headers in the first row.
Does Charttoolbox upload my file?+
No. Files are parsed and visualized locally in your browser.