Free browser-local spreadsheet tool
Split Excel workbooks into smaller files.
Break a large XLSX workbook by row count or choose the number of output parts. Every result is packaged in a ZIP for a simple download.
Two split modes
- Choose records per output workbook.
- Choose the number of output parts.
- Keep the header row in every file.
ZIP download
Download all generated XLSX workbooks together instead of saving each part one at a time.
Local and private
The workbook stays in your browser while it is read and split. No account or server-side upload is required.
Tip: keep your header row at the top of the worksheet for clean output files.
How to split Excel files
Turn one large workbook into smaller XLSX files.
Choose row-based parts for predictable record counts, or set how many output workbooks you need.
- Add an XLSX workbookSelect the Excel file you want to divide.
- Choose a split modeSet records per file or the number of output parts.
- Download the ZIPSave all generated workbooks together in one archive.
Excel split FAQ
Common questions.
Will the header row be preserved?
Yes. The header row is kept in each output workbook so the files remain easy to understand.
Can I choose the number of output files?
Yes. Use the output-part mode when you want a fixed number of Excel files.
How are the results downloaded?
IndiMerge packages all generated XLSX files into one ZIP for a simple download.