DuckDB · Parquet Console

DuckDB Parquet Console

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Configure your S3 / MinIO credentials in Settings, then run a query. Each row is clickable to open the column inspector.

S3 / MinIO connection

Endpoint

Host and port only — no http://, no trailing slash.

Access key (KEY_ID)

Secret key

Region

URL style

Use SSL (HTTPS endpoint)

Leave off for plain-HTTP MinIO. See the serving note below.

Remember settings in this browser

Generated setup SQL

This runs against DuckDB when you apply.

If queries resolve to amazonaws.com, the endpoint wasn't applied — this console now uses SET s3_endpoint / SET s3_url_style='path' instead of CREATE SECRET, which the wasm build honors reliably for MinIO.

Serve over http, not file://. A file:// page sends Origin: null, which MinIO CORS won't match. Put this file in a folder and run python3 -m http.server 8000, then open http://localhost:8000/duckdb-s3-console.html. http→http also avoids mixed-content blocking.

Enable CORS on MinIO. The browser fetches parquet directly, so set MINIO_API_CORS_ALLOW_ORIGIN="http://localhost:8000" (or *) on the MinIO server and restart it.