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Chart tools Flows & networks

Sankey diagram

Show how quantities flow from one stage to the next.

When to use a sankey diagram

Use it for funnels, budgets, energy flows or customer journeys.

How to make one

  1. Paste your data into the Data box, or upload a CSV. The example shows the columns it needs.
  2. Add a title, subtitle and source under Text.
  3. Pick colours, a font and a size under Style: 16:9 for slides, 1:1 for WhatsApp and LinkedIn, 4:5 for Instagram posts, 9:16 for Stories, Reels and TikTok.
  4. Press Play to animate it, or Present to show it full screen.
  5. Press Share & export. On a phone, send the image, an MP4 video of the animation or a link straight to WhatsApp, Instagram, TikTok or LinkedIn. On a computer, copy it into your slides or download a PNG, SVG or PowerPoint file.

Everything runs in your browser. Your data isn't uploaded anywhere, and your last chart is remembered on this device.

Questions about the sankey diagram

What data do I need for a sankey diagram?

Three columns: source, target, value. Each row is a flow between two stages. Paste it from Excel or Google Sheets, upload a CSV, or connect a live Google Sheet.

When should I use a sankey diagram?

Use it for funnels, budgets, energy flows or customer journeys.

What's the most common mistake with a sankey diagram?

Flows that loop back. Each flow must move forwards to a later stage.

Can I animate it, download it or put it in PowerPoint?

Yes. Press Play to animate it, record an MP4 or GIF, or download a PNG, SVG or PowerPoint file. In PowerPoint it's added as a high-resolution image. It's free, with no sign-up.

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