CCromagnon
Open studios

Free tool · part of Excel Studio

Spreadsheet comparison

Compare two tables and highlight changed cells. Works with CSV · XLSX. Free, no account, and your files never leave your device.

Open the spreadsheet comparison

How it works

  1. Open the workbook (or put both tables in one workbook as two sheets).
  2. In Compare Sheets, pick the sheet to compare with.
  3. Changed cells are listed and highlighted; cells are compared by position (A1 with A1).

Everything happens in your browser: nothing is uploaded. The tool opens inside Excel Studio, where the rest of its tools are one click away.