Area Chart Race

Animated stacked area chart showing how composition changes over time. See both individual values and the total grow frame by frame.

Sample:

Drop a CSV file here or click to browse

How It Works

Load your CSV data

Same CSV format as the other chart race tools. First column is time labels, remaining columns are numeric series.

Watch areas stack up

Stacked areas grow as the animation advances, showing both individual values and the total. Switch to 100% mode to see composition.

Customize and export

Toggle between stacked and percentage modes, show or hide boundary lines, and choose color palette. Export PNG or present fullscreen.

Stacked Area Chart Race

An area chart race animates stacked areas over time, showing both how individual categories change and how the total evolves. The 100% mode normalizes the stack to show market share or composition changes — useful when absolute values differ by orders of magnitude but relative shifts matter more.

FAQ

Stacked mode shows absolute values — you see both individual growth and total growth. 100% mode normalizes everything to percentages, highlighting composition changes and market share shifts.

Yes. Toggle the Lines checkbox to show or hide the lines between stacked areas, making boundaries clearer.

No. All processing happens in your browser. Your data never leaves your machine.

Built & Maintained by Varstatt

Varstatt is a one-person product studio run by Jurij Tokarski, product engineer since 2011. These tools are free and open — no signup, no catch.