Local sync
Local audio
Choose a file to drive the renderer
Choose an authorised local audio file to enable audio-locked playback.
Panel & preview
Preparing local alignment…
The first run downloads and caches a small Whisper model.
Load an audio file, paste authorised plain lyrics, then choose Auto-sync locally. Whisper recognizes timestamped words on-device and aligns them to your exact lyric lines; neither the audio nor lyrics are uploaded. The first run downloads and caches the model.
Click to seek · drag a marker to retime a line · shift+drag to pan · scroll to zoom · double-click to fit
Next to stamp—
No line selected — click a marker on the waveform.
Spotify sync
Not connected.
Register this exact page URL as a Redirect URI in your Spotify app settings:
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Right-click erases with any tool. Assign a sprite to a line from the Shots tab, then pick Sprite flight, Sprite stamp or Sprite banner. Unassigned lines cycle through the library.
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Ready.