Private table reconciliation

Turn a table into a report CSV.

Reshape a CSV or group it by keys with count, sum, and average. Review source, accepted, and excluded items locally before saving.

Inspect a CSV

CSV

Load a CSV file

The file and content stay in this browser. Nothing is uploaded.

Report format

Enter a CSV, then inspect its content.

Load settings JSON

Only the selected keys and measure column are used; zero, blank, and invalid values remain distinct.
Totals use decimal arithmetic, and the average denominator is the count of valid measures.
This does not certify tax/accounting compliance or auto-convert dates and units.