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CSV Cleaner
Trim and normalize a CSV dataset in your browser.
A little guidance. A better result.
How to use CSV Cleaner
See exactly which rows and cells will change — counts and samples — before exporting.
Prepare your input
Choose the CSV you want to tidy.
Use the workspace
Review the counts and samples of rows or cells that will change.
Check your result
Export and compare representative values with the original.
Know the limits
Whitespace can be meaningful in some datasets. Keep the original and check identifiers and intentionally blank cells.
Where does my input go?
This browser tool processes your input on your device. Optional analytics is a separate choice; it is not needed to use the tool. Keep your original until you have checked the result.
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