Excel Merger

Upload up to 100 Excel files and combine them into a single workbook — stack them into one sheet, or keep each file as its own sheet named after the file. Everything runs in your browser.

1 Choose merge mode

One combined sheet

All rows from every file are stacked into a single sheet (same columns/data).

Separate sheet per file

Each uploaded file becomes its own sheet, named after the file.

2 Upload your files

Drop up to 100 Excel files here

.xlsx, .xls or .csv — combined ~50 MB max

Choose files

0 file(s) added

Use header row from first file only (avoid repeated headers)

Reading files…

Sheet names are limited to 31 characters; duplicate file names get numbered automatically (1, 2, 3…).