Excel Utility

Combine & Split
Excel Files

// no server · runs entirely in your browser · supports .xlsx .xls .csv

Upload Files

📁

Click to browse or drag & drop files here
Supports .xlsx · .xls · .csv — multiple files allowed

Options

Sheet from each file

Output filename

Output format

Keep header row from first file only (remove duplicates)

Add "Source File" column to track origin

Upload File to Split

📄

Click to browse or drag & drop a single file
Supports .xlsx · .xls · .csv