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TOOLFORGE / DATA
Data Cleaner
FreeRemove duplicates, trim whitespace, fix headers, split columns and validate rows in CSV and spreadsheet files. Download a clean file in one click.
Free & unlimited
1. Upload your file
CSV or XLSX, up to 10 MB. Your file never leaves your browser — all cleaning happens on your device.
Drop a CSV or XLSX file here, or click to browse
CSV · XLSX · max 10 MB · first sheet only for XLSX