MadSync - Music Video Editor
Edit video to music with beat sync, lyrics, and stems.
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Mike Raposa

MadSync — AI Music Video Editor - AI music video editor. Auto-lyrics, beats, stems. $49 once.

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MadSync is a desktop music video editor with built-in AI for beat detection, lyric transcription, and stem separation. All processing runs on your PC, so songs and footage stay on your machine. Two karaoke display modes (full-sentence and word-by-word), multi-track timeline, eight transitions, ten visual effects. Bundled offline. Windows. One-time $49, no subscription.

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Mike Raposa
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Hey, I'm Mike, solo dev behind MadSync. I built this because every beat-sync editor I found was either a subscription or cloud-based. I wanted a desktop tool I could own. The auto-lyrics feature is the one I'm most excited about. Drop in a song and it transcribes and syncs words to the vocals in 99+ languages. It's AI-powered, so it's not perfect every time, but it's fast and it gets you most of the way there. What would make this more useful to you?