Will formulas and cell formatting be preserved?

When exporting to .xlsx, sheet cell styles and values are preserved. When exporting to .csv, computed cell values are cleanly exported as plain text.

Is my spreadsheet data uploaded anywhere?

Never. Parsing and sheet splitting are executed entirely within your web browser.

File 100% Client-Side

Split a multi-sheet Excel workbook into individual Excel or CSV files instantly.

Zero Upload

Never leaves browser

Instant Speed

WASM accelerated

or click to browse from your device

Extract all worksheets into independent Excel (.xlsx) workbooks or CSV files

Inspect row counts and structure across all tabs before splitting

Selective splitting — choose exactly which tabs to extract

Download all separated sheets in one organized ZIP package

100% Client-side execution — financial and corporate spreadsheets remain confidential

Simple Workflow

Get results in three quick steps without any learning curve.

Select or drop your multi-tab Excel spreadsheet (.xlsx, .xls).

Pick which worksheets to extract and choose between Excel or CSV format.

Download individual sheets or grab all separated files in a ZIP archive.

Need Help?

Everything you need to know about this tool.

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