CSV to Parquet

A free and secure tool to convert CSV to Parquet directly in your browser

Drag & drop a CSV file here or click to select

About this application

Usage

1. When you select a CSV file to convert, the tool will analyze and display the detected column types. 2. Please review and confirm that each column type is correct, then click the “Convert to Parquet” button. 3. Conversion may take a few seconds to tens of seconds. 4. Once completed, the Parquet file will be downloaded automatically. 5. All processing is done entirely within your browser — no data is sent to any server.

Terms of Use

The operator assumes no liability for any damages arising from the use of this service.

Privacy Policy

We do not collect or store any personal information on this site. 1. Data handling Loading CSV files and converting them to Parquet format are completed entirely in your browser; no data is ever sent to our servers. 2. Analytics and advertisements This site may use third-party advertising services such as Google AdSense. These services may use cookies to display ads based on your interests. Cookies do not contain personally identifying information. 3. Contact For inquiries about this policy, please contact us via the form on this site. 4. Revisions This policy may be changed without notice as needed. Established: June 2024

Update history

Persist language selection in local storage (23 days ago)
Fixed date offset in update history (23 days ago)
Updated privacy policy (23 days ago)
Add Ko-fi donation link (23 days ago)
Added privacy policy (23 days ago)