Split CSV file

Choose rows per file and download parts. Private, client‑side.

CSV Splitter

Best practices for splitting

  • Keep the header row in each part for downstream tools.
  • Choose sizes based on consumer limits (e.g., 10k rows for spreadsheets).
  • Validate each output file after splitting to avoid downstream failures.

FAQ

Is the CSV split done online or locally?
All splitting runs in your browser; no uploads.
Are headers kept in each part?
Yes, the header row is preserved at the top of every output file.