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Parquet Reader — Parquet Viewer Online

View Parquet files online. Search, sort, run SQL queries, and export to CSV/JSON/Parquet.

Free preview · Full access & exports via upgrade · No account required

A secure online parquet viewer and parquet file reader for Parquet, Avro, Feather, ORC, CSV, GeoJSON, NetCDF, JSON, Excel & Arrow formats.

Free preview, Private & Secure 5,000+ monthly users SQL on your files
ParquetAvroFeatherORCCSVGeoJSONNetCDFJSONExcelArrow

How to Open a Parquet File Online

  1. Upload a Parquet file (or 'try with sample file').
  2. Inspect the schema, search & sort columns, and run SQL queries.
  3. Export the full file or SQL results to CSV/JSON/Parquet.
Run SQL on Parquet Parquet to CSV Open Parquet online (step-by-step)

Why Teams Use This Parquet File Viewer

For analysts and BI teams

Explore schemas fast, filter data with SQL, and export to CSV/JSON/Parquet for reporting.

For developers and data engineers

Validate Parquet files, run quick SQL checks, and debug issues before production pipelines.

For data QA and validation

Spot type mismatches, null spikes, and schema changes—then export results for follow-up.

Frequently asked questions

How do I open a Parquet file online?

Upload your .parquet file in the viewer and your data is loaded in the viewer. Then filter rows, search values, and inspect columns instantly.

Can I convert Parquet to CSV or JSON?

Yes. After opening your file, export your result set to CSV or JSON. This helps when you need to share data with tools that do not support Parquet.

Is ParquetReader private and secure?

ParquetReader is built for privacy-first workflows. You can inspect files quickly without creating an account for basic usage.

Do I need to install software to read Parquet files?

No installation is required. You can open and analyze Parquet files directly in your browser from desktop or laptop.

Can I read a Parquet file online for free?

Yes. ParquetReader offers a free preview so you can open and inspect Parquet files online before upgrading for full exports and advanced features.

Can I open a Parquet file without Python or Spark?

Yes. You can upload and read a Parquet file online without setting up Python, Spark, DuckDB, or desktop tools.

Is this Parquet file viewer secure?

Files are processed temporarily for your request and removed after processing. See the privacy policy for full details on file handling and retention.