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Density plot generator

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Density plot

Compare the shape and concentration of numeric distributions across groups. Create a private, publication-ready density plot directly in your browser without transmitting sensitive rows off-device. Data is processed locally on your hardware with zero server uploads, enabling instant export to SVG, PNG, and Excel data.

Explain distributiondistributionstatisticscomparison

Edit the data, then export.

Everything runs in your browser. Your data is not uploaded.

Data

Paste tab-separated data from Excel or edit the cells directly.

Paste or import table data

Paste a header row, or choose a local CSV/TSV file. Files are read in this browser and capped at 500 rows.

Appearance

Preview

Sample preview of the example data. The live chart takes over as soon as you start working.

SVG, PNG, and Excel exports are generated locally in this browser. PowerPoint export is temporarily unavailable while its dependency path is reviewed for a high-severity image parser advisory.

Statistical Distribution & Shape

A density plot (Kernel Density Estimation or KDE) visualizes the distribution of a continuous numeric variable. Unlike a histogram that groups data into rigid discrete bins, a density plot calculates a continuous probability density function. This smooths out bin boundaries to clearly reveal skewness, kurtosis, and multi-modal peaks. All density curve mathematics and rendering are processed locally on your machine, meaning your sensitive dataset is never uploaded to an external server.

Data Requirements & Continuous Variables

Format input columns for density plot with explicit headers and numerical measurements. Verify that rows represent discrete categories or observations without unformatted symbol artifacts.

Sample Distribution Data

| Group | Exam score |

Guidelines for Interpreting Distributions

  • Ensure sufficient visual distinction for density plot marks across standard and high-contrast viewports.
  • Align text labels horizontally whenever possible to improve cognitive readability for density plot elements.
  • Double-check scale boundaries and zero-anchors before exporting density plot presentation artwork.
Data shape
Group and numeric value columns
Exports
SVG, PNG, and Excel data; PowerPoint export is temporarily unavailable pending dependency review.

How it works

You edit a table in this page. The renderer draws an SVG from those rows in your browser, then you can download SVG, PNG, or Excel data. The table is not uploaded to any external processing server.

Frequently asked questions

What is the bandwidth parameter in a density plot?

Bandwidth controls the smoothing window size. A smaller bandwidth highlights local spikes, while a larger bandwidth highlights overall global distribution shape.

Reviewed 16 August 2026.

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