DuckLocal DocsGuides and reference.

Learn how to open your data, query it with DuckDB SQL, and build on the results.

Open your data

Query CSV, Parquet, JSON, Excel, folders, DuckDB databases and S3 where they are.

Data sources

Use tabs, autocomplete, formatting, EXPLAIN, profiling, the schema sidebar and query history.

SQL editor

Filter, sort and copy rows, chart results, inspect columns, or export to CSV and Parquet.

Results and charts

Run headless DuckDB SQL with bounded JSON, schema inspection and an official agent skill.

CLI and skill

Define charts and filters in a plain-text .dash file, then validate it from the CLI.

Dashboards (.dash)

Comment on a plot; an agent reads the thread, edits the dashboard and replies.

Dashboard comments