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dotXLSOpen Workspace

Highlight Duplicate Values

Highlight repeated values in one spreadsheet column and keep the highlight in Excel export.

Choose one column and matching rules, preview the cells to highlight, then apply duplicate highlighting as one reversible step.

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

Highlight duplicate values inside one worksheet column. The first row and blank cells are not highlighted.

Highlight Duplicate Values

Highlights are shown in the browser and exported as real Excel cell fill formatting. CSV cannot preserve highlighting.

Undo and Redo controls are available with the current grid.

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.