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Convert Parquet to CSV Online

Open a Parquet file locally and export its rows to CSV for inspection, spreadsheets, and data sharing.

Quick start

Built for inspecting or sharing a parquet dataset in spreadsheet-friendly form.

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A CSV containing the decoded Parquet rows.

  1. 1Upload a Parquet file.
  2. 2Review the decoded table.
  3. 3Download a CSV for inspection or handoff.
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How to Parquet to CSV

  1. 1Choose a Parquet file
  2. 2Review the decoded table
  3. 3Download the CSV

Why Use This Tool?

  • ✓Reads Apache Parquet
  • ✓Exports spreadsheet-ready CSV
  • ✓Private browser processing
  • ✓Useful for quick inspection

Frequently Asked Questions

Does it upload the Parquet file?

No. The file is decoded locally in a browser worker.

Can I use large Parquet files?

The practical limit depends on your device memory; use the diagnostic preview and split large datasets when necessary.