ephenoxtools
    Open PDF Master

    Parquet & Arrow explorer

    Query Parquet, Arrow, CSV, and JSON files through a local DuckDB-WASM engine.

    Parquet, Arrow, CSV, or JSON Query resultsUses a larger local engine — still never leaves your device.
    Open Parquet & Arrow explorer

    More Data tools

    Query, convert, and reshape spreadsheets and databases.

    All Data tools →