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DuckDB-WASM OLAP Engine · Columnar SQL & Format Converter

NexaData Query & Converter Studio

Execute analytical SQL queries and transcode CSV, JSON, and Apache Parquet datasets in browser memory via DuckDB-WASM.

PARQUET / CSV / JSON/DUCKDB-WASM SQL/ZERO API UPLOAD

Drop CSV, Apache Parquet, or JSON dataset to mount table

Mounted directly into browser DuckDB-WASM memory (with 15 MiB text fallback if WASM is blocked). Export filtered results directly to CSV.