Replace audio in video
Upload a video and an audio file; the original soundtrack is dropped and the new audio takes its place. The video stream is copied losslessly.
Upload a video and an audio file; the original soundtrack is dropped and the new audio takes its place. The video stream is copied losslessly.
The tool drops the video’s existing audio and muxes in your replacement, copying the picture without re-encoding. One pass, full quality, local processing.
Re-recorded narration over a flubbed take, licensed music replacing a copyrighted background, cleaned-up audio from an editor swapped back under the original picture, and dubbed versions of existing videos.
The new track starts at the beginning of the video. For precise sync, align your audio file’s start before replacing, using the trim tools if needed.
None on the video side, it is copied as-is. The audio is whatever file you provide.
Yes, both files stay on your device throughout.