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Find broken quotes, wrong encodings, Excel date mix-ups and lost leading zeros in seconds. Everything runs in your browser — your data never leaves your computer.
What it will check
Inconsistent column count
Catches rows with too few or too many fields.
Broken quotes
Flags unescaped or mismatched quote characters.
Wrong encoding
Detects non-UTF-8 files and garbled characters.
Empty & duplicate rows
Finds blank lines and exact-duplicate records.
Ambiguous dates
Warns when dd/mm vs mm/dd can't be told apart.
Leading zeros & scientific notation
Catches values Excel silently mangled on export.