Add Audio to Video

Select files to upload and add:
Video File
Audio File
(total max total file size 200 MB)
(confirm you agree to terms)
This video tool can help you to add background audio or music to your video files, you can replace the audio in the video or just add new audio to the video. The resulting video has the same duration as the original video, and if the new audio is shorter than the source video, audio will automatically loop. The output format is MP4 format.
  • Replace Audio in Video, old audio in video will be removed.
  • Keep Audio in Video, add new audio to the video as background music.
How To Use:
  1. Select a video file (such as *.mp4, *.mov, *.m4v or *.3gp).
  2. Select a audio file (such as *.mp3, *.wav, *.midi or *.wma).
  3. Click button "Add" to start upload your files.
  4. Once upload completed, converter will redirect a web page to show the mixed result.
  • If file upload process takes a very long time or no response or very slow, please try to cancel then submit again.
  • This tool cannot support encrypted or protected video files.
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