In-Browser SQL Workbench
Query local Parquet, CSV, Excel, and JSON datasets with high-performance DuckDB SQL. Filter rows, compute aggregations, and export query results without a database server.
Key Features & Client-Side Capabilities
- Full Analytical SQL Dialect: Execute GROUP BY, HAVING, subqueries, CTEs (WITH clause), regex matches, and window functions on local files.
- Vectorized SIMD Execution: DuckDB-Wasm executes columnar queries directly on your CPU cores with near-native database speeds.
- Export Filtered Slices: Export query results directly to formatted Microsoft Excel (.xlsx), clean CSV, or compressed Parquet.
Frequently Asked Questions
What SQL dialect does this workbench support?
It supports standard PostgreSQL-compatible analytical SQL via DuckDB, including window functions, CTEs, string regex, and date/time functions.
Can I query multiple files or join tables?
Yes! DuckDB can query and join any files loaded into the virtual WebAssembly filesystem.