Sheet Merger

Excel File Merge

Merge Excel/CSV files into a single workbook, with optional separators.

Batch-friendly · UTF-8 safe

Files

Merged rows

Upload & Settings

Click or drag to upload (multiple files supported)

Supported: .XLSX, .XLSM, .XLSB, .CSV (max 20 files, each ≤5MB)

Add separator rows?

No separator

Use filename as separator

Merge file types

XLS/XLSX files · CSV files

Preview & Results

Download after merge; list shows file names only

Files: 0Merged rows: -

Upload files and click Merge to see the file list and download button here

About This Tool

Online Excel merge tool. Supports CSV and XLSX/XLSM/XLSB files, merging all data into one sheet with optional filename separators.

How to Use