Video Free

Auto Track

Drop a video + audio — we mux, trim, or AI-rebuild the audio to fit

Add any audio file to any video clip. Two length modes: trim the video so it ends with the audio, or let AI auto-detect whether the audio is music, voice, or SFX and regenerate it at the video's full length using the matching ElevenLabs engine.

Open in Studio

Free to try  ·  No credit card required

What you get

Mux
any audio onto any video
Trim
or AI-extend to fit
Auto-detect
music / voice / SFX