CSV Query

Upload or paste CSV / Excel and run SQL locally (SELECT / WHERE / ORDER BY / LIMIT). Nothing leaves the browser.

How to use

  1. Upload or paste a CSV file
  2. Write a SQL query against table csv
  3. Preview results and copy CSV or JSON

FAQ

Is my input uploaded?

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

Related tools

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