Sankey Diagram Maker
How to use the Sankey Diagram Maker
- Open the Sankey Diagram Maker and review the sample budget flow CSV.
- Paste rows with Source, Target, and Value columns.
- Edit values to see link thickness animate in real time.
- Export a high-res PNG when the diagram looks right.
Why chart locally?
Budget allocations and funnel metrics stay on your device. Nodes and links are built client-side with Apache ECharts.
Frequently asked questions
What columns does Sankey need?
Exactly three headers: Source, Target, and Value. Each row is a directed flow.
Is my flow data uploaded?
No. Everything runs locally in your browser.
Is this Sankey Diagram Maker free?
Yes. Free with no account required.