I recently built a browser-based SQL tool in my portfolio site: DataBro SQL Query Tool 🚀

It lets you load local files, run SQL directly in the browser, and explore data without sending the raw file to a backend first. That idea felt too interesting not to write about—because once you see DuckDB-Wasm in action, the browser starts looking a lot less like a UI shell and a lot more like a tiny analytics engine 🦆✨

What if a browser tab could become a tiny analytics engine? 🤯 DuckDB-Wasm brings DuckDB into the browser through WebAssembly, which means a web app can run analytical SQL locally on the user's machine instead of sending every file to a backend first.

That one idea changes a lot.…