Sunburst Chart Generator

A sunburst chart is a radial hierarchical visualization where the root node sits at the center and child nodes expand outward as concentric rings. Each ring represents one level of the hierarchy, and segment size corresponds to a numeric value. It makes it easy to see both the structure and the proportions of hierarchical data at the same time.

Name your root node in the editor, then add child nodes and assign values to each. The chart updates live as you type. Once you are happy with the structure and styling, click Download to get a PNG or SVG, or copy a shareable link to send it directly.

Yes. The sunburst chart generator is completely free with no sign-up required. You can create, customize, and download charts without any payment. Paid plans unlock more AI credits, CSV file upload, and advanced export options like embed codes.

There is no hard limit on the number of levels you can add. Nest children inside children as deeply as your data requires. In practice, three to five levels tends to work best for readability — very deep hierarchies with many small segments can become hard to scan.

Both visualize hierarchical data proportionally, but their layouts differ. A sunburst chart uses concentric rings radiating from a center, making the parent-child relationship easy to trace visually. A treemap uses nested rectangles, which can display more labels in a compact space. Sunburst charts are better when the hierarchy structure itself is the main story.

Yes, on Pro plans you can upload a CSV or Excel file and the tool will map your columns to the hierarchy automatically. On free plans, you can paste data directly into the editor or use the AI generator to build a chart from a plain-language description of your data.

Click the Download button to save your chart as a PNG or SVG. You can also copy a shareable link to send to colleagues, or — on Plus and Pro plans — grab an embed code to display the chart on any website or documentation page.

Yes. The color mode setting lets you switch between coloring segments by category (so all children of the same parent share a color family) or by level (so each ring uses a distinct color). Both modes work with your custom palette.

A pie chart shows a single level of proportions with no nesting. A sunburst chart extends that concept outward through multiple rings, each representing a deeper level of the hierarchy. This makes sunburst charts far better suited for data that has parent-child relationships, like budget categories broken into line items.