Parquet Analysis

Query Parquet files in the browser

Parquet is efficient for analytical workloads. SQL for Files lets you load Parquet into a browser-based DuckDB engine and query it immediately.

Open the editor Read the docs

Columnar Parquet support through DuckDB-WASM

Good fit for larger analytical extracts compared with raw CSV or JSON

Schema inspection, SQL editor, charts, and column statistics

Parquet ZIP database backup and restore

Example queries

Inspect Parquet rows

SELECT *
FROM transactions
LIMIT 100;

Build chart-ready totals

SELECT region, DATE_TRUNC('month', order_date) AS month, SUM(amount) AS revenue
FROM transactions
GROUP BY region, month
ORDER BY month, revenue DESC;