Is my table data uploaded to a server?
No. The tool parses, transforms, previews, and exports data locally in your browser without uploading your input.
Data & Tables
Group table data online by selected columns. Count, sum, average, and summarize records locally in your browser.
Group table data online by selected columns. Count, sum, average, and summarize records locally in your browser.
This tool runs in your browser. Your input is processed locally and is not uploaded.
Use this Group By Tool to summarize records by one or more columns. The tool groups rows by selected fields, counts records, sums numeric values, averages metrics, and shows grouped output as a new table. It is simpler than a pivot table because it produces one grouped result table instead of a cross-tab layout.
No. The tool parses, transforms, previews, and exports data locally in your browser without uploading your input.
Values can be inspected as strings first, then optionally detected as numbers, booleans, dates, or empty values. You can keep text mode when exact formatting matters.
Group by creates a straightforward grouped summary table. A pivot table can place one grouping dimension across columns for a cross-tab view.
They are ignored with a visible warning or treated according to a clear option, never silently counted as zero.
Small and medium tables are the best fit. Very large files can use a lot of memory because parsing, previews, and exported results all live inside the browser tab.