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betaTables & Data
CSV Cleaner
Normalize CSV data by trimming whitespace, removing empty rows, and applying basic cleanup rules before export.
csvcleandata
Key features
- Trim whitespace
- Remove empty rows
- Preview before export
Best for
- CSV cleanup
- Import prep
- Data hygiene
Privacy
Runs locally. Files never leave your device.
How to use
- 1) Add your file(s) locally from your device.
- 2) Choose options (pages, OCR, columns, or settings).
- 3) Export the result (PDF/CSV/XLSX) — still locally.
FAQ
Does it change my original file?
No. You download a cleaned copy.
Can I preview changes?
Yes. Preview the cleaned data before export.
Is it client-side?
Yes. Files stay in your browser.
Related guides
- How to Normalize Dates in Bank Statement CSV
Fix mixed date formats (MM/DD vs DD/MM) and export consistent ISO dates for accounting tools.
- How to Detect Duplicate Transactions in CSV
Identify duplicate transactions safely using stable keys like date + amount + description (with tolerances).