Excel merger: import multiple files and merge all sheets locally in your browser (no uploads).
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Merge mode
Note: complex formatting and cross-sheet formulas may not be fully preserved; please verify after merging.
How to Use
- Click 'Pick Excel files' to upload multiple .xlsx or .xls files you want to merge.
- Select the merge mode on the right: 'Keep sheets' or 'Merge into one sheet'.
- Click 'Start merging' and the tool will process all files automatically.
- Once finished, click 'Download merged Excel' to save the result.
Tips
- 'Keep sheets' mode adds sheets from each file into a new Excel workbook, renaming duplicates automatically.
- 'Merge into one sheet' mode appends all rows from all files into a single sheet, adding source file/sheet names in the first two columns.
- All processing happens locally in your browser. Your files are never uploaded, ensuring data privacy.
- Processing may take a moment for large datasets or complex files. Please be patient.
