CSV Clean

Trim, drop empty rows, dedupe, filter, and sort CSV / Excel locally.

How to use

  1. Paste CSV
  2. Toggle clean options
  3. Copy the cleaned CSV

FAQ

Is my input uploaded?

No. Processing stays in your browser. Nothing is sent to our servers.

Related tools

  • CSV Query — Upload or paste CSV / Excel and run SQL locally (SELECT / WHERE / ORDER BY / LIMIT). Nothing leaves the browser.
  • Convert — Export CSV to JSON, NDJSON, YAML, or Excel (cells are typically strings).
  • CSV Join — Inner or left-join two CSV tables on a key column — locally in your browser.