$ run --tool
Excel & CSV Chart Generator
Upload an Excel (.xlsx) or CSV file and turn any column into a bar, line, area or pie chart — no software required.
Drop a file here, or click to browse
Excel (.xlsx / .xls) or CSV file
Features
- ✓Reads .xlsx, .xls and .csv files directly in your browser
- ✓4 chart types: bar, line, area and pie
- ✓Plot multiple numeric columns at once on bar, line and area charts
- ✓Automatic detection of which columns are numeric
- ✓High-resolution PNG export
- ✓Nothing is uploaded to a server — your spreadsheet never leaves your device
How to use
- 1Upload your .xlsx, .xls or .csv file
- 2Pick your X-axis column and one or more numeric Y-axis columns
- 3Choose a chart type — bar, line, area or pie
- 4Download the chart as a high-resolution PNG
Frequently asked questions
Do you store my spreadsheet data?+
No. Parsing and charting happen entirely in your browser using JavaScript — the file is never uploaded anywhere.
What file formats are supported?+
xlsx, xls and csv. The tool reads the first sheet of your workbook.
Why don't I see my column in the axis picker?+
Make sure the first row of your sheet contains column headers — that row is used to name each column.
Can I plot more than one series at once?+
Yes — for bar, line and area charts you can select multiple numeric columns and they'll render as separate series on the same chart.
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