Paste a Spotify playlist, album, or track link (Share → Copy Link in Spotify). No login needed — Spotify may prompt you to sign in for full tracks, or it'll play 30-second previews otherwise.
Log in with your Spotify account to play real tracks (not just previews), and control play/pause/skip without leaving the timer.
Nothing playing
Settings
Presets
Custom colors
Each preset swatch shows both colors — the top-left half is the focus color, bottom-right is the break color.
Presets
Upload an image
YouTube video
The video plays muted so it won't clash with Spotify audio.
Log in mode already works out of the box using this site's built-in Spotify connection — the Quick mode needs none of this either way.
Only fill this in if you want to use your own Spotify app instead of the built-in one — e.g. if the built-in one has hit Spotify's login limit. If so, register this exact redirect URI in your app's settings:
See README.md for step-by-step setup instructions.