wtf is dubpadfx?

DUB FX PAD is a browser based sample pad built for playing sound effects live, aimed at dub music, sound system, and live performance use, with a built in tape echo and spring reverb effect modeled after a classic Roland space echo unit. The whole thing lives inside a single HTML file, so there is no installation, no server, and no accounts. You just open the file in a browser and it works, even offline once it has loaded. You load your own audio files in common formats like MP3 or WAV and they become tappable pads, which you can organize into categories such as sweeps, lasers, one shots, sirens, and ambient effects, or your own custom categories. Every pad can be muted, favorited, renamed, moved, or reordered, and long pressing or right clicking a pad opens a menu with those options. Everything you load and every setting you change is saved locally on your device using the browser's storage, so nothing is uploaded anywhere and your sound library survives closing and reopening the page. The echo and reverb section sits at the bottom of the screen with controls for delay time, feedback, spring reverb amount, dry versus wet mix, and master volume, plus five preset modes ranging from a clean dry sound to a heavy deep dub setting. You can also tap a button to set the delay speed by feel, matching it to a beat. A full mixer view lets you adjust the volume and echo send of each individual sound separately. The project is meant to be run by opening the file directly, though the author suggests serving it from a small local web server if you plan to test it on a phone, since some mobile browsers restrict certain storage features when opening files directly. It works in any modern browser that supports the Web Audio API and offline storage, on both desktop and mobile, and it requires you to tap a power on button once to start the audio engine, which browsers require before sound can play. It is released under the MIT License.