Parquet to CSV Converter Online | Export Parquet to CSV Free (Fast & Private)

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Parquet to CSV Converter Overview

Convert Apache Parquet files to CSV format online. Perfect for importing Parquet data into spreadsheets, databases, and legacy systems. Powered by DuckDB-WASM for fast, private, local conversion in any modern browser on Windows, macOS, and Linux.

SQL Filtering & Preview

Preview Parquet data before exporting. Use SQL queries to filter, select specific columns, or transform data before converting to CSV format.

Standard CSV Format

Exports properly formatted CSV with comma delimiters, quoted strings, and escaped special characters. Compatible with Excel, Google Sheets, and all CSV-reading tools.

FAQ

How do I convert a Parquet file to CSV format online?: Upload or drag your .parquet file into the converter. Preview the data, optionally filter with SQL, then click 'Export CSV' to download the converted file instantly.
What delimiter is used in the exported CSV file?: The converter uses standard comma (,) as the delimiter. Values containing commas, quotes, or newlines are automatically quoted and escaped according to CSV standards.
Where is my Parquet data processed during CSV conversion?: All conversion happens locally in your browser via WebAssembly. Your Parquet file is never uploaded to any server, ensuring complete privacy.
Can I select specific columns when converting Parquet to CSV?: Yes. Use the SQL editor to SELECT only the columns you need. For example: 'SELECT column1, column2 FROM your_file.parquet' before exporting to CSV.
How do I handle large Parquet files when converting to CSV?: Use SQL queries with LIMIT or WHERE clauses to export only the rows you need. This reduces the CSV file size and speeds up the conversion and download process.