or click to browse
Drag and drop any Apache Parquet file onto the page, or click to browse. Your file stays in your browser — nothing is uploaded.
The file is converted instantly using a WebAssembly engine. Preview the first rows to verify your data looks correct.
Click the download button to save your converted CSV file. The original column names and data types are preserved.
Your files never leave your browser. All conversion happens locally using WebAssembly — no uploads, no servers, no tracking.
Powered by a browser-based WebAssembly engine. Convert files with millions of rows in seconds, right in your browser.
Convert files up to several hundred megabytes. No artificial row limits or file size restrictions.
No sign-up, no credit card, no hidden limits. Use this converter as much as you need, completely free.
Parquet is a columnar format designed for big data systems, but many tools expect CSV. This converter bridges the gap. Data engineers use it to convert pipeline output for stakeholders who use Excel. Analysts use it to turn Parquet exports from Snowflake, BigQuery, or Redshift into CSVs they can open anywhere. Developers use it to inspect Parquet files without writing Python code. Since everything runs locally in your browser, it's perfect for sensitive datasets that can't be uploaded to third-party services.
Yes, completely free with no limits. No sign-up or credit card required. Convert as many files as you want.
No. This tool runs entirely in your browser using WebAssembly. No Python, Java, Spark, or any other software installation required.
Your data never leaves your browser. All conversion happens locally using a WebAssembly engine. We never see, store, or transmit your files.
You can convert Parquet files up to several hundred megabytes. Since Parquet is compressed, this often represents millions of rows of data.
Yes. All column names from the Parquet file become the CSV header row. Data types are converted to their string representation.
All standard Parquet compression codecs are supported: Snappy, Gzip, Zstd, LZ4, and uncompressed.
Yes. After conversion, a preview of the first rows is displayed so you can verify the data looks correct before downloading.
Yes. Use our free CSV to Parquet converter to convert CSV files into the Parquet format.
Convert CSV files to Apache Parquet instantly in your browser. No upload, no Python, no install. Smaller files, faster queries, type-safe columns.
Convert Excel files (.xlsx, .xls) to CSV instantly in your browser. No upload, no signup. Privacy-first — your data never leaves your device.
Convert Excel files (.xlsx, .xls) to Apache Parquet instantly in your browser. No upload, no Python, no install. Smaller files, typed columns, Snappy compression.
View Parquet files online without Python. Inspect schema, browse data, check row group metadata. 100% free, no row limits.