Replace Audio in Video Online

Your files are processed locally in your browser — nothing is uploaded to our servers.

Swap the audio track with your own music or voiceover.

Drop a video here or click to browse

Supports MP4, MOV, WebM, MKV, AVI, MPEG, 3GP, OGV, WMV, FLV, TS, and more — processed locally in your browser. Large files use more memory.

Upload a video to preview it here

Load video and audio file.

Replace with audio file

Audio offset (sec)

Output format

About this tool