Parquack wot Bert

Parquack lets you open and explore Parquet, JSON, and CSV files without uploading them to any server.
Everything runs locally in your browser using DuckDB-WASM.

Features:
- Browse tabular data with pagination
- Run arbitrary SQL queries against your file
- View Parquet schema, row groups, and key-value metadata
- Load files from disk or by URL
- Export query results as CSV, JSON, or Parquet
- Query history
- Configurable DuckDB startup SQL (rc)

Your data never leaves your machine.