
Quick DuckDB-WASM scratchpad for querying Parquet/CSV files in the browser
Built a lightweight scratchpad tool for running DuckDB SQL against local CSV, TSV, JSON and Parquet files directly in the browser:
https://www.sqlparity.com/scratchpad
It uses u/duckdb to read files into memory via the browser File API. Nothing is uploaded to any server and it requires no login or installation. Handy if you just need to inspect an extract or run a quick aggregate without firing up the CLI or Python.
Code is open source on GitHub link: Github
Curious to hear feedback or edge cases with large Parquet/CSV schemas.