Compare Excel Files Online

Compare two Excel or CSV files in your browser and see every changed cell, added row and deleted row highlighted. Match rows by position or by a key column, then download the list of differences. Free, no sign-up, nothing is uploaded.

Spreadsheet Compare & Merge Tool for Excel - Combine Excel Files into One result

Comparing whole workbooks, or merging them?

Spreadsheet Compare & Merge Tool for Excel runs on your Windows PC. It compares two workbooks sheet by sheet, merges folders of XLSX and CSV files into one, and exports a color-filled XLSX report - with no 30 MB browser cap and no Excel needed.

Merge dozens of XLSX and CSV files into one, columns matched by their titles
Whole-workbook compare: values, formulas, formats, moved columns, added or removed sheets
XLSX export with color-filled cells and a legend sheet, plus HTML and PDF reports
A pair of 100,000-row sheets compared in seconds, fully offline

Spreadsheet Compare & Merge Tool for Excel - Combine Excel Files into One

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