How to Excel to CSV
- 1Upload Excel file
- 2Select "Merge All Sheets" mode
- 3Download combined CSV
Merge Excel Sheets into One - Combine Tabs
Combine all sheets in an Excel workbook into one table. Merge tabs instantly. Free online tool.
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Excel to CSV
Convert messy .xlsx files into clean, machine-readable CSVs.
Upload your files
Drag & drop or click to browse
Max 1 file(s).xlsx
Why Use This Tool?
- ✓Combine Tabs - No more copy-pasting sheets
- ✓Add Sheet Name - Tracks source of each row
- ✓Fast - Process complex workbooks
- ✓Private - Excel data stays local
- ✓Free - No Excel license needed
Frequently Asked Questions
How do I know which sheet data came from?
The tool adds a "_SHEET" column with the name of the original tab.
Does it handle different columns?
Yes, it unions all columns found across all sheets.