Question 1

What does this tool do?

Accepted Answer

It parses a CSV you paste (or upload), lets you pick the label column and one or more value columns, and renders an interactive bar, line, pie or doughnut chart with Chart.js. An Export PNG button downloads the rendered chart for slides or blog posts.

Question 2

How are non-numeric cells handled?

Accepted Answer

Every cell is run through `parseFloat`; anything that isn't a number becomes NaN and is rendered as 0. That means a stray `N/A` or `$1,240` won't crash the chart — but it also won't be flagged, so clean your data (drop the currency symbol, convert `15%` to `0.15`) before pasting if you want the y-axis to reflect the real numbers.

Question 3

Can I compare two value columns at once?

Accepted Answer

Yes on bar and line charts — toggle two value-column chips and the renderer produces a grouped bar or a multi-line series with one colour per dataset. Pie and doughnut only render a single value column as slices, so toggling a second value column on them visually double-plots the data.

Question 4

Is my CSV uploaded?

Accepted Answer

No. Parsing uses PapaParse in the browser and the chart renders with Chart.js client-side; your data never leaves your device.

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