Clean a CSV file locally by trimming surrounding whitespace, removing blank rows and dropping trailing empty columns.
Runs locally in your browser — nothing is uploaded.
About this tool
Use CSV File Cleaner to complete this focused task without sending your content to a third-party service.
Using CSV File Cleaner
Paste or enter your content, run the tool, and review the result before using it.
Helpful tips
Check the labels, units, and input format before running the tool.
Review the result, then use the copy button where available.
For important decisions, verify your inputs with an appropriate professional source.
Is my information private?
Yes. This developer tools processes your input in the browser and does not upload it.
Is this tool free?
Yes. You can use it without creating an account.
How to use this tool
Choose a CSV file from your device.
Clean the rows and cell whitespace.
Download the cleaned CSV file.
About CSV File Cleaner
Upload a CSV file, review the local processing summary, and download a cleaned copy. This is useful before importing data into a spreadsheet, CRM or database.
Does this tool send my data anywhere?
No. Its calculation or transformation happens on your device.