Spreadsheet Data Cleaner

Run a checklist of cleaning steps on a spreadsheet. Trim spaces, collapse whitespace, normalize line breaks, strip non-printing characters, and drop empty rows.

Up to 20 MB · .xlsx, .xls, or .csv · Cleaning runs in your browser. Original file is not overwritten.

Drop Excel or CSV to clean .xlsx, .xls, or .csv

How it works

  1. Upload an Excel or CSV file you want to tidy.
  2. Select cleaning options from the checklist. Trim spaces, blanks, and formatting fixes.
  3. Download a cleaned copy ready for import.

Features

  • Trim leading and trailing spaces across all text columns
  • Remove empty rows and optional all-blank columns
  • Normalize line breaks inside cells for CSV exports
  • Strip non-printing characters that break imports
  • Optional date and number format helpers
  • CSV cleaner and Excel-friendly output in one tool

Fix messy spreadsheet data in one pass

Trim extra spaces, remove stray line breaks, drop empty rows, and standardize dates across an entire Excel or CSV file at once. It is the fastest way to prepare exports for imports, mail merges, pivot tables, and reports.

Your original file is never overwritten. The cleaned copy downloads separately, and all processing happens in your browser.

Spreadsheet Data Cleaner FAQ

It means fixing common formatting problems. That includes extra spaces, bad line breaks, and stray characters, without changing your business logic.

Yes. Trim spaces spreadsheet-wide is a default option in the checklist.

The cleaner works on exported values. For live formula sheets, save a copy as values or CSV before cleaning.

It supports both CSV and Excel uploads. The same options apply to either format.

No. Cleaning runs in your browser. Keep your original file; we download a new copy.

Keep your original file. The tool downloads a new cleaned file instead of overwriting your source.

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