Sankey Diagram Creator

Each row defines a flow from Source → Target with a Value. Use remaining to auto-fill the leftovers. Use | in labels to add line breaks.

From	To	Amount (current)

Format: source,target,value[,color]
Use remaining as value to auto-calculate the leftover flow from a node. Use | in labels to add line breaks.

📂

Drop a CSV file here or
browse to upload

CSV columns: source, target, value, color (optional). A header row is auto-detected.

Value Display

Nominal % of Max None

Nominal = actual values · % of Max = share of the node with highest total · None = hide values

Node Alignment

Justify Left Right Center

Node Padding20

Node Width18px

Link Opacity42%

Diagram Height520px

Color Scheme

Label Position

Link Colour Style

Label Background Box

Semi-transparent pill behind each label for legibility against busy flows.

Iterations (layout quality)

Nodes

—

Links

—

Total Inflow

—

Layers

—

🌊

Add flows to see your Sankey diagram

Use the Table on the left, paste data in the Text tab,
or upload a CSV file

🌊 Sankey Diagram Creator