Convert Excel files to DuckDB database format in your browser. Preserves types, fast re-import. No upload, no server, free forever.
DuckDB stores column types natively. Numbers, dates, and text from your Excel file are correctly typed in the database output.
DuckDB files load orders of magnitude faster than Excel. Once converted, re-opening your data takes milliseconds instead of seconds.
Excel files with multiple sheets are fully supported. Each sheet is loaded as a separate dataset so you can export them independently.
Clean columns, filter rows, fix types, and apply transformations before converting to DuckDB. Get exactly the data you need.
Your Excel 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 Excel files to DuckDB as you need, completely free.
Drag a .xlsx or .xls file onto the page. Sheets and column types are auto-detected.
Clean columns, filter rows, or fix types before converting.
Click Export, choose DuckDB, and download your database file.
Open exploremydata.com/app, drag your .xlsx or .xls file onto the page, then click Export and choose DuckDB. The conversion runs entirely in your browser using DuckDB WASM. No Python, no command line, no installation.
Yes. When you open an Excel file with multiple sheets, each sheet is loaded as a separate dataset. You can browse, transform, and export each sheet independently.
Yes. ExploreMyData produces standard DuckDB database files that you can open with the DuckDB CLI, Python duckdb package, R duckdb package, or any other DuckDB client.
Yes. Your Excel file never leaves your device. Everything runs locally in your browser. No data is uploaded to any server, and there is no tracking or analytics on your files.
Typed columns, faster loading, SQL-ready. No sign-up required.
Convert Excel to DuckDB Free