Repair a corrupted CSV file (.csv)
CSV is plain text: one row per line, values separated by commas. Most CSV "errors" are encoding problems (accents turning into garbage), stray NULL bytes, or rows with the wrong number of columns.
What our repair does
- Remove NULL bytes
- Convert mis-encoded characters to UTF-8
- Close unclosed quotes
- Pad short rows so every row has the same columns
- Save with a UTF-8 marker so Excel shows accents correctly
The check and preview are free. The repaired file costs $1.99.
Drop your file here
Or from your device.
Free check, up to 50 MB. No account needed.
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Common Excel, Google Sheets, databases errors
_csv.Error: line contains NUL / line contains NULL byte
The file contains zero bytes, which CSV readers reject. How to fix it
ParserError: Error tokenizing data. C error: Expected 4 fields in line 51, saw 2
A row has a different number of columns than the header — often because of an unclosed quote or a missing value. How to fix it
ERROR: invalid byte sequence for encoding "UTF8"
The file is in a different encoding (often Windows-1252) and contains accented characters. How to fix it