CSV Cleaner
Fix a messy CSV in seconds: trim stray whitespace, drop duplicate and empty rows, normalize semicolon/tab delimiters to standard commas, strip BOM. Free, no signup.
Drop a .csv file here, or click to choose
Privacy: everything runs in your browser. Your file is never uploaded, stored, or seen by us — this page makes no network requests with your data.
Need to clean many files at once?
Batch mode cleans a whole folder of CSVs with the same settings — one-time purchase, yours forever.