Spreadsheet tools · Excel and CSV

Excel Merge

Upload Excel or CSV files, choose how to combine their rows, and download the merged result.

What you can do with Excel Merge

Upload Multiple Files

Combine Excel and CSV files in one place. Supports XLSX, XLS, XLSM, XLSB, and CSV formats.

Automatic Header Detection

See the columns in each uploaded file and find the headers they have in common.

Match by Common Columns

Choose shared columns, such as GSTIN, to match records across files, or leave them blank to stack rows.

Choose a Merge Strategy

Use Union to keep rows from every file, or Intersection to keep only rows common to all files.

Handle Duplicate Rows

In Union mode, keep the first or last duplicate, or combine duplicate rows into one.

Download Merged Excel

Download the merged result as an Excel file when processing is complete.

Upload Excel or CSV Files

How it works

  1. 1Upload multiple Excel files (XLSX, XLS, CSV)
  2. 2Tool automatically detects headers in each file
  3. 3Select common columns to merge by (e.g. GSTIN)
  4. 4Choose merge strategy and duplicate handling
  5. 5Download the merged file instantly