CSV Pivot / Unpivot Transformer
Reshape wide ↔ long CSV locally with aggregation — like pandas melt / pivot_table or Power Query unpivot. Your data never leaves the browser.
Tool interface
Result
Ready.
Introduction
Most spreadsheets arrive "wide" — one column per month or metric — which is poor for analysis. Tidy "long" data is what SQL, pandas, and BI tools prefer. This tool converts between the two shapes locally.
Limitations
- Pivot aggregates numeric values; non-numeric cells are skipped.
- Very large files may be limited by browser memory.
FAQ
Is my data uploaded anywhere?
No. Everything runs locally in your browser.