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either 🖥️ full desktop apps, 🧱 more complicated than I needed, ☁️ uploading audio to a server, or just felt a little outdated.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...
Source: [Dev.to](https://dev.to/terry_beer_de05cb907967ac/i-built-a-browser-based-spectrum-analyzer-because-i-wanted-something-simpler-50n8)