Validate Phone Numbers
Check phone numbers in a spreadsheet column and identify invalid or blank values.
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
Validate phone-number formatting in one column without changing the source values.
Undo and Redo controls are available with the current grid.
Phone validation analysis
Invalid phone 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.