CSV Cleaner Online
Fix broken exports: duplicate records, stray spaces, and blank rows — without uploading to a server.
Same browser tool as Data Cleaner.
Drag TXT, CSV, or XLSX here, or
About this page
CSV cleaners are essential after CRM exports, form downloads, and API dumps where quoting and commas disagree.
Paste comma-separated rows or upload a .csv file; the preview table shows before and after row counts.
How to use
- Upload a CSV or paste comma-separated rows.
- Enable trim, duplicate removal, or empty-row cleanup as needed.
- Run Clean data and download a fresh CSV.
FAQ
- Does this parse quoted CSV fields?
- Yes. Standard comma-separated rows with quoted cells are supported when pasted or uploaded.
- Is my data uploaded?
- No. Files and pasted text are processed locally in your browser.
- Is this tool free?
- Yes. No registration is required.