Spreadsheet / Merge workbooks

Excel Merger

Combine several Excel workbooks or CSV files into one clean file. Reorder sources, map similar headers, remove duplicates, and choose how columns combine.

Source files

Add at least two files.

merged-workbooks.xlsx

Waiting for source files

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Automatic header mapping

Add files to compare headers.

All files are read in your browser.  Header mapping is suggested from normalized names; check the mapping table before merging. Nothing is uploaded.