Validate ISBN Numbers
Check ISBN-10 and ISBN-13 book identifiers using their checksums.
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 ISBN-10 and ISBN-13 values in one column without changing the source values.
Undo and Redo controls are available with the current grid.
ISBN validation analysis
Invalid ISBN preview
Preview only. The current worksheet is unchanged.
Paste spreadsheet data to create your workspace.
Name Department Amount Ahmed Sales 1200 Maria HR 950
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Export result
Download the current workspace data after editing or cleaning.