Add Sequence Numbers / IDs
Create a new column of sequential row numbers or custom IDs without changing existing data.
Set the starting number, increment, optional prefix, and zero padding, preview the generated IDs, then add them 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
Generate one sequential value for every data row and append it as a new column.
Undo and Redo controls are available with the current grid.
Sequence analysis
Sequence preview
Preview only. The current worksheet 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.