Live demo
See the whole utility belt in motion
This is a recreation of the real Spark Tray desktop app, playing itself: the tray icon opens the window, then it clicks through every tool, runs a job, and lands it in the queue — then loops. Nothing here is a video; it's the actual UI.
9:41
What you just watched
Five focused tools, one tray icon
Each utility does a single job well — and every one runs locally, with nothing uploaded to a server.
Video Downloader
Grab video or audio from hundreds of sites.
Audio Extractor
Pull clean audio from any file or link.
Bulk Downloader
Paste a list, download every link at once.
Background Remover
One-click cut-outs, right on your machine.
Transcriber
Turn speech into SRT, VTT, or plain text.
Free, local-first, no account. Ready when you are.