CSV Cleaner & Viewer
Open or paste a CSV to see it as a table, then clean it up — trim whitespace, drop empty rows and columns, remove duplicates — and download the result.
Rows
3
from 5
Columns
3
1 empty removed
Empty rows removed
1
Duplicates removed
1
| name | city | |
|---|---|---|
| Ada Lovelace | ada@example.com | London |
| Grace Hopper | grace@example.com | New York |
| Alan Turing | alan@example.com | Manchester |
How to use the CSV Cleaner & Viewer
- 1Paste CSV text or open a CSV file.
- 2Choose the clean-up steps: trim whitespace, remove empty rows and columns, remove duplicates.
- 3Preview the table and download the cleaned CSV.
Frequently asked questions
Which delimiters are supported?
Commas, tabs, semicolons and pipes — the delimiter is detected from the first row.
How are duplicates detected?
Rows count as duplicates when every cell matches after the other cleaning steps (like trimming) are applied. The first copy is kept.
Is my file uploaded?
No. Files are read and cleaned entirely in your browser.
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