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Convert Parquet to CSV

Convert your parquet files to csv format with our free online converter. No installation required.

Files

Click anywhere to select filesor drag and drop files here
Accepts Parquet files
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How to convert Parquet to CSV

  1. Upload all of the Parquet files you want to convert

    You can select multiple files at once or drag and drop a batch of files. All files will be converted simultaneously.

  2. Wait for the conversion process to complete
  3. Download your converted CSV files
  4. Process hundreds of files in a single batch

    Our converter handles large batches efficiently, saving you time compared to converting files one by one.

Converter Features

Fast conversion
Convert your parquet files to csv in seconds, even with large datasets
Batch processing
Upload and convert hundreds of files at once with no file size limitations
Downloadable results
Get all your converted files immediately after conversion
Data integrity
Preserve your data structure and types during conversion with high-fidelity transformations
Format optimization
Automatically optimize output files for size and performance based on the target format
No code required
Convert files without writing a single line of code, perfect for data analysts and business users

How to convert Parquet to CSV in Python

First, we need to install pandas

pip install pandas

Then we can load the parquet file into a dataframe

df = pd.read_parquet('path/to/file.parquet')

Finally, we can export the dataframe to the csv format

df.to_csv('/path/to/file.csv', index=False)

How to convert Parquet to CSV using DuckDB

First, we need to install duckdb

pip install duckdb

Then we can use duckdb to convert the parquet file to CSV

import duckdb
# Connect to DuckDB
con = duckdb.connect()
# Read parquet and write to CSV
con.execute("COPY (SELECT * FROM 'data.parquet') TO 'output.csv' (FORMAT CSV, HEADER)");

How to convert Parquet to CSV using ClickHouse

Using ClickHouse to convert Parquet to CSV

SELECT * FROM file('data.parquet', 'Parquet')
INTO OUTFILE 'output.csv'
FORMAT CSV