Convert CSV → Parquet Online — Free
Convert CSV files to Apache Parquet columnar format.
Drag & drop or click to browse
Accepts .csv files up to 200 MB
Free plan includes 0 conversions/day. Need more? Talk to us →
What is a .csv file?
CSV is a widely-used format in the Data Pipeline category. Convert CSV files to Apache Parquet columnar format. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .parquet file?
PARQUET is a popular format in the Data Pipeline ecosystem. Converting from CSV to PARQUET gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert CSV → Parquet online
Upload your file
Drag & drop your .CSV file onto the upload zone, or click "Browse" to select it.
Validate & preview
The tool checks the file type and size before uploading. Invalid files are rejected immediately with a clear error.
Convert on the server
Click "Convert" to upload and process your file. Server-side conversion typically takes ~10 seconds.
Download your result
When done, click "Download .PARQUET" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this CSV to PARQUET converter free?
Yes. The CSV → Parquet tool is free for up to 0 conversions per day. Pro (20/day) and Business (unlimited) plans unlock higher limits.
Is my file secure on the server?
Your file is uploaded over an encrypted HTTPS connection to a secure server worker. The converted file is stored temporarily and automatically deleted after 1 hour. We never share or store your files longer than necessary.
What is the maximum file size for CSV?
You can convert files up to 200 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between CSV and PARQUET?
CSV and PARQUET are both formats in the Data Pipeline category, each with different use cases, tooling support, and feature sets. Convert CSV files to Apache Parquet columnar format.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.