I built a browser-based spectrum analyzer because I wanted something simpler

A while ago, I just wanted to do something simple: drop in an audio file, see the frequency spectrum, find suspicious peaks, and move on. But most tools I found were either 🖥️ full desktop apps, 🧱 more complicated than I needed, ☁️ uploading audio to a server, or just felt a little outdated. So I started wondering: why can't this just run entirely...