CSV & Excel chart report
Create a bar or line chart from your own spreadsheet data, inspect excluded rows and download a PNG, SVG or PDF report.
LOCAL DATA WORKSPACE
Turn your own data into a clear chart.
Your file stays in this browser. No upload, account or AI is needed.
Up to 5 MiB, 5,000 data rows, 100 columns and 100,000 cells. XLSX: values only; no formulas, macros, external links or encrypted workbooks.
How it works
- Choose CSV, TSV or values-only XLSX and confirm its header row.
- Select label and numeric columns, decimal format and optional grouping.
- Review missing or invalid rows, inspect the value table and download your chart or complete JSON report.
Example & practical use
Plot monthly values from your own export with dates in chronological order, without turning missing values into zero.
Limits and help
Local input up to 5 MiB, 5,000 rows, 100 columns and 100,000 cells; maximum 100 plotted points. No formulas or external workbook links. Ordinary numeric precision; no currency conversion, invented data, automatic sampling or financial audit. PDF fonts support Latin, Arabic, Hebrew and CJK; unsupported glyphs require SVG or PNG instead.
Your files are yours.
Image and text processing happens in your browser. Your files are not uploaded to our servers.
Troubleshooting
Try the small example on this page first. If it works, check your input format and size limit. Save any needed input before reloading. You do not need to share a file or password to report an issue.