Invalid UTF-8 encoding in CSV?

We detect UTF-16, BOM, or Windows-1252 and tell you the exact 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

File encoding is not UTF-8.
Cause: Detected UTF-16 BOM.
Fix: Save the file as UTF-8 without BOM.

FAQ

Which encodings do you detect?

UTF-8 BOM, UTF-16, and Windows-1252.

Why does UTF-8 BOM fail?

Many importers expect UTF-8 without BOM.

How do I fix it?

Re-save the file as UTF-8 without BOM.

How much is the full report?

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