How to use this office tool
- Select a compatible source file.
- Review the header or column setting and preview limit.
- Choose Create group summary, inspect the bounded preview, and download the newly generated result.
Group spreadsheet rows by a category column and calculate counts plus numeric totals in a downloadable Excel summary.
Uses the first text-like column as the group key and the first numeric column as the value field, then creates a new workbook containing count, sum, and average by group.
Keep the original file until you have checked the downloaded result in your spreadsheet application.
Accepts XLSX, XLS, CSV, and TSV. Output fidelity depends on features supported by SheetJS CE.
| Format | Use |
|---|---|
| XLSX / XLS | Workbook data input where applicable |
| CSV / TSV / XML | Plain structured-data input where applicable |
| Output | A newly generated XLSX or CSV file |
The first column is used as the group key and the first column containing numeric cells becomes the value field.
The output includes source row count, numeric sum, and numeric average.
Blank keys are collected into a group labeled (blank).
Values that can be converted to finite numbers are included in the numeric calculation.
No. It creates a separate XLSX workbook with a Group Summary sheet.
| Stage | Behavior |
|---|---|
| Read | Local browser memory |
| Transform | Uses the first text-like column as the group key and the first numeric column as the value field, then creates a new workbook containing count, sum, and average by group. |
| Export | New downloadable file |