How to open PARQUET files online
Apache Parquet is a common columnar format in data engineering, analytics, and machine learning. Inspect it without starting Python, Spark, or a database.
- Choose a .parquet file.
- The browser reads metadata and up to 500 rows.
- Inspect fields and values, then export the preview to CSV if needed.
Why use this viewer
- No Python or Spark
- Your file is read and processed only in this browser tab. It is never uploaded to FreeTool servers.
- Quick schema and sample inspection
Compatibility and limitations
- The first version previews up to 500 rows to control memory
- Special compression support depends on the browser parser
Frequently asked questions
Does it read the whole large file?
The browser receives your selected local file, but only a limited number of rows are assembled for the table.
Can it convert to CSV?
It exports the displayed preview rows, not necessarily an entire huge dataset.