How to generate a pivot summary from csv or excel data in 30 seconds
- Step 1Upload CSV or XLSX — Drop your flat data file onto the Pivot Generator.
- Step 2Enter three field names — Type the exact column header names for row field, column field, and value field.
- Step 3Select aggregation — Choose SUM, COUNT, AVERAGE, MIN, or MAX.
- Step 4Download result — A pivot table XLSX is generated and ready to download in seconds.
Frequently asked questions
Do column header names need to be exact?+
Yes — column names are case-sensitive and must match the header row exactly. If unsure, check the column header spelling in your file first.
What is the maximum dataset size?+
Developer tier supports files up to 500MB and unlimited rows. Pro tier handles up to 50MB and 100K rows.
Privacy first
Every JAD Excel tool runs entirely in your browser using SheetJS and ExcelJS. Your spreadsheets, formulas, and data never leave your device — verified by zero outbound network requests during processing.