Fix duplicates, whitespace, encoding errors, empty cells and more. Free, private, instant. No account needed.
Clean My CSV Now →Instantly find and remove all duplicate rows from your CSV file.
Remove leading and trailing spaces from every cell in one click.
Fill blank cells with N/A, 0, or any custom value you choose.
Repair broken characters from UTF-8 or import errors automatically.
Convert all text to UPPER, lower, or Title Case in one click.
Get an instant plain-English diagnosis of every issue in your file.
Yes — all 5 basic cleaning tools are completely free. No account or credit card needed.
Yes. All processing happens in your browser. Your CSV never reaches our servers.
Free plan supports files up to 5MB. Pro plan supports up to 50MB.
Yes — upload a new file after each cleaning session. Business plan supports batch cleaning.