CSV SQL Query Editor

Run SQL SELECT queries on CSV and TSV files instantly in your browser.

Upload any CSV or TSV file and query it with real SQL — no database setup, no uploads to a server. Write SELECT statements, JOIN multiple files, filter, group, and aggregate using an in-browser SQLite engine with automatic type inference. A fast, private alternative to datasette, q, and textql.

  • Query CSV and TSV files with full SQL using an in-browser SQLite engine
  • JOIN multiple uploaded files together in a single query
  • Automatic column type inference for numbers, dates, and text
  • Filter, GROUP BY, aggregate, and sort with standard SQL
  • Download query results as CSV
  • Everything runs locally in the browser — your data never leaves your machine
chayprabs/csv-tsv-sql-query-editor-playgroundFull source code, issues, and releasesOpen →

Spotted a bug or have an idea?

This tool is built in the open and shaped by feedback. If something feels off — or you want a feature — I read every message.