Create Bar Chart Online Tool

Create bar charts from category labels and one or more numeric series, preview them live, and export image or CSV output.

Setup
Bar configuration
First column is category label, others must be numeric.
Data Entry
Provide one label column and numeric value columns with matching row counts.
Chart Controls
Input Format Tips
  • Series rows: Keep each series with the same row count.
  • Numeric values: All value columns must be numbers.
  • Quick presets: Use a preset to validate chart behavior before custom data.
Chart Preview
Update settings to re-render instantly.
Idle No validated data yet.
Validation Focus
Load technical category presets for quick QA.



Drawing Bar Graphs

Before software should be reusable, it should be usable.

Ralph Johnson

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