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Query Parquet files
with SQL in your browser

Open Apache Parquet files, explore schemas, and run full SQL queries — no server, no uploads. Your data never leaves your machine.

query.sql
SELECT department, COUNT(*) as employees,
       AVG(salary) as avg_salary
FROM 'company_data.parquet'
GROUP BY department
ORDER BY avg_salary DESC;
5 rows returned 42ms Processed 1.2M rows

Everything you need to explore Parquet

A powerful SQL editor that runs entirely in your browser. No installation, no data leaks.

Full SQL Support

SELECT, WHERE, GROUP BY, JOIN, UNION, window functions — the full power of DuckDB SQL at your fingertips.

100% Private

Your files never leave your browser. No uploads, no server processing. Everything runs locally using WebAssembly.

Blazing Fast

DuckDB processes millions of rows in seconds. Virtualized table renders only visible rows — no lag, ever.

Drag & Drop

Drop your .parquet file and start querying instantly. The file is registered as a SQL table automatically.

Export Results

Export query results to CSV for free. Pro users can export to JSON, Excel, and Parquet formats.

Multi-file JOINs

Pro: Load multiple Parquet files and JOIN them together. Auto-merge files with matching schemas.

How it works

Three steps. Zero configuration.

1

Drop your file

Drag and drop any .parquet file into the browser. It stays on your machine.

2

Write SQL

Use the built-in SQL editor with syntax highlighting and autocomplete.

3

Get results

See results instantly in a fast, virtualized table. Export to CSV or other formats.

Ready to explore your data?

No sign-up required. Open the app, drop a file, and start querying.

Open Parquet Explorer