Upload any CSV or Excel file. Remove duplicates, fix whitespace, standardize formats, and export clean data.
Select or drag and drop your CSV or Excel file with messy data.
Select from options: remove duplicates, trim whitespace, fix capitalization, remove empty rows, and more.
Preview the cleaned data before downloading. Export the clean dataset as CSV or Excel.
Clean messy CSV and Excel data online for free with ToolZapHub. Remove duplicates, trim whitespace, fix capitalization, and remove empty rows — all with a preview before downloading. Browser-based processing ensures your data stays completely private. Essential for data analysts, marketers, and operations teams.
Remove duplicate rows, trim whitespace, fix capitalization (Title Case, UPPER, lower), remove empty rows and columns, and standardize data formats.
Yes. See a side-by-side comparison of original vs. cleaned data before committing to the changes.
Both CSV and Excel (.xlsx) files are supported for data cleaning.
Yes. All cleaning operations run in your browser. Your data is never uploaded to any server.
Yes, completely free with no limits on file size or number of operations.