Invalid delimiter in CSV?

We detect mixed separators and tell you the fix.

Result


        

Trust, Limits & Pricing

  • Files analyzed in memory only (no content stored).
  • Max file size: 10 MB.
  • Supported delimiters: , ; | TAB.
  • We stop at the first breaking error.
  • First analysis (line, cause, fix) is free.
  • Full report: $9.99.

Our CSV Repair Tools

Column Errors

  • Inconsistent column counts
  • Extra data after last column
  • Missing values on a row
  • Exact breaking line number

Delimiter & Quotes

  • Invalid delimiter (mixed separators)
  • Single-column files (wrong delimiter)
  • Unclosed quotes across lines
  • Quotes inside unquoted fields

Encoding & Fix

  • UTF-8 BOM / UTF-16 / Windows-1252
  • Non-UTF-8 files blocked before parsing
  • Cause in one sentence
  • Fix in one sentence

Example output

Delimiter varies across rows (e.g. ',' vs ';').
Cause: Header delimiter does not match data rows.
Fix: Use one delimiter consistently: comma, semicolon, pipe, or tab.

FAQ

Which delimiters do you support?

Comma, semicolon, pipe, and tab.

What if only one column is detected?

We report an invalid delimiter and tell you to choose a consistent separator.

How do I fix it?

Use a single delimiter across the entire file.

How much is the full report?

The full report costs $9.99. The first analysis (line, cause, fix) is free.