Read-only CSV checks, before the import fails

Understand the file before another tool guesses.

Check encoding facts, delimiter confidence, malformed rows, duplicate headers, blank values, and spreadsheet risks. Nothing is repaired or uploaded.

  • Runs locally
  • Never rewrites your file
  • No account
  • Up to 10 MB

Step 1

Choose one data file

Your file is inspected in memory and is never uploaded or stored.

After the inspection

Use the right next tool.

The inspector stays read-only. Compare versions or combine related exports on their own focused pages.