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DuckDB Analytics Playground

Analyze CSV, TSV, JSON, NDJSON, and Parquet locally with DuckDB-Wasm, run analytical SQL, manage .duckdb databases, and learn DuckDB through interactive lessons.

Starting the DuckDB engine

Auto-recovery

The DuckDB-Wasm runtime is loaded on first use

Read only
SQL editor
Results

Ready to run SQL

Run the full editor, or select part of the SQL to execute only that selection.

About DuckDB Analytics Playground

Query CSV, JSON, and Parquet directly in your browser. Analyze CSV, TSV, JSON, NDJSON, and Parquet locally with DuckDB-Wasm, run analytical SQL, manage .duckdb databases, and learn DuckDB through interactive lessons. The core workflow is designed to run in your current browser.

Key capabilities

  • Official DuckDB WebAssembly analytics engine
  • Query CSV, JSON, NDJSON, and Parquet directly
  • PIVOT, QUALIFY, ASOF JOIN, LIST, and STRUCT
  • SQL completion, schema, lessons, history, recovery, and exports

Useful for

  • Inspect local data files without uploading them or installing a client
  • Learn DuckDB analytics through 22 runnable examples
  • Validate reporting SQL, data transformations, and analytical models

Frequently asked questions

Is DuckDB Analytics Playground free to use online?

Yes. DuckDB Analytics Playground opens in a modern browser and does not require desktop software installation.

What is DuckDB Analytics Playground useful for?

Common use cases include Inspect local data files without uploading them or installing a client; Learn DuckDB analytics through 22 runnable examples.

Is my input or file uploaded?

The core processing workflow is designed to run locally in the browser. Key capabilities include Official DuckDB WebAssembly analytics engine, Query CSV, JSON, NDJSON, and Parquet directly, PIVOT, QUALIFY, ASOF JOIN, LIST, and STRUCT; account, comments, and anonymous analytics may still create normal site requests.

Related tools

JSON FormatterCode Formatter & MinifierJSON DiffJSONPath Query

Popular search workflows

Start with a focused guide

Focused guides for common workflows, each connected directly to the relevant browser tool.

Query Parquet, CSV, and JSON with DuckDBRun analytical SQL locally in the browser against Parquet, CSV, JSON, NDJSON, and DuckDB database files.

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