Compare Excel Columns Online
Compare two spreadsheet columns and quickly find matches, differences, and missing values.
Paste or import data, select two columns, analyze the comparison, and optionally append a result column.
Paste Data
Copy cells from Excel or Google Sheets and paste them here.
Import a spreadsheet file
Import CSV or XLSX data into the current dotXLS workspace. Files are processed in your browser.
Tools
The first row supplies column labels and is never compared. Options affect comparison only.
Undo and Redo controls are available with the current grid.
Comparison analysis
Comparison results
Preview only. The current grid is unchanged.
Paste spreadsheet data to create your workspace.
Name Department Amount Ahmed Sales 1200 Maria HR 950
Your data stays in this browser tab and is not sent to WordPress.
Export result
Download the current workspace data after editing or cleaning.