CSV Inspector

Drop a CSV file or paste CSV text and instantly see column types, null rates, unique counts, and sample values. Everything happens in your browser — your data never leaves.

What it does

  • ·Upload a file or paste CSV text directly
  • ·Detects column types — text, integer, number, date, boolean
  • ·Shows null percentage, unique counts, and sample values per column
  • ·Preview the first ten rows in a clean table
  • ·Everything runs locally — your data never leaves your browser
or paste below