Open DuckDB database files and export tables as JSON directly in your browser. No upload, no server, no installation required.
ExploreMyData uses DuckDB WASM to read .duckdb files natively in your browser. All tables, views, and data types are fully preserved.
Export as an array of objects, the standard format for REST APIs, JavaScript applications, and data pipelines.
Your DuckDB database may contain multiple tables. Each one opens as a separate file tab so you can browse and export any table as JSON.
Apply filters, sort rows, and transform columns before exporting. Only include the data you actually need in your JSON output.
Your DuckDB file stays on your device. Nothing is sent to any server. All processing runs locally in your browser.
No sign-up, no subscription, no limits. Convert as many DuckDB tables to JSON as you need, completely free.
Drag a .duckdb file onto the page. Each table loads as a separate tab instantly.
Each table opens as its own tab. Preview data, filter, or transform before export.
Click Export, choose JSON, and download your structured data file.
Open exploremydata.com/app and drag your .duckdb file onto the page. Each table opens as its own tab. Click the table you want, then click Export and choose JSON. The conversion runs entirely in your browser using DuckDB WASM.
ExploreMyData exports JSON as an array of objects, where each row becomes an object with column names as keys. This is the most common format for APIs and JavaScript applications.
Yes. Use the filter, sort, and transform tools to narrow down your data before exporting. Only the filtered rows will be included in the JSON output.
Yes. Your DuckDB file never leaves your device. Everything runs locally in your browser using DuckDB WASM. No data is uploaded to any server.
No sign-up, no upload, no installation. Just open your file and export.
Convert DuckDB to JSON Free