All free toolsVideo tool · 100% free
Add Audio to Video
Replace or add an audio track to a video with optional looping and shortest-duration output.
Built for: add audio to video
Deleted as soon as you download itFree · fair-use only
Drop video file hereMP4 output · one source file
Included in this tool
Upload audio trackReplace/add audioShortest-duration modeH.264/AAC output
What this tool includes
Everything you need, without a paywall.
Upload audio track
Replace/add audio
Shortest-duration mode
H.264/AAC output
This tool is free, needs no account, and adds no watermark to your result. Text operations run on your device where the browser can do the work safely; file conversions run on the server and your upload is deleted as soon as your download finishes.