Excel cleaner
Upload an .xlsx or .xls export and get a structured report of data-quality issues — duplicates, stray whitespace, inconsistent dates, and more. Review what will change, then download a clean workbook.
Supports .xlsx and .xls
Clean my Excel fileHow Excel cleaning works
- Upload your spreadsheet — we validate file type and size for your plan.
- The engine scans every row and column for common export problems.
- You review issue categories and a before/after preview.
- Apply safe fixes in one click and download a cleaned Excel or CSV file.
Common Excel export problems
- Hidden duplicate rows after merging lists from two systems.
- Leading or trailing spaces that break VLOOKUP and imports.
- Mixed date formats from regional Excel settings.
- Phone numbers stored as text with inconsistent punctuation.
Before and after
Before
4,821 rows · 7 issue types · duplicate customer records
After
4,602 rows · normalized dates · trimmed names · deduplicated
FAQ
No. Upload from your browser. Download a cleaned file when you are done.
We focus on data cleanup for exported sheets. Upload a values export for the most predictable results.
Yes. You only use a cleaning credit when you apply fixes and download.
Related tools
Try it free
Analysis is free. Upload and see issues in seconds.
Clean my Excel file