Split Excel File by Rows

Split the first Excel worksheet into smaller XLSX files by a chosen row count, with repeated headers and clear output limits.

How to use this tool

1. Select the supported file or files.
2. Review the available options.
3. Run the tool and download the result.
4. Open the output and verify important data.

What this tool does

Choose the number of data rows in each output file and split the first worksheet locally.

Important output limits

Only the first worksheet is processed and advanced workbook features may not be preserved.

Frequently asked questions

Are files uploaded to an application server?

Spreadsheet contents are processed in the current browser tab.

What should I check after download?

Only the first worksheet is processed and advanced workbook features may not be preserved.

Can I use this on a phone?

The interface works in modern mobile browsers, but large files may exceed device memory.

Should I keep the original file?

Yes. Keep a backup and verify generated output before relying on it.