Add audio to video is a video editor and audio mixer, which enables, you to customize your video by adding your favourite background music. This app supports various audio and video formats to mix audio with video. Add Audio To Video in that if your audio size is bigger or lesser than video it is automatically implemented with video size and add and conceited respectively. Just select video from our custom gallery. - You can add audio file to your video file. - You can Trim video . - See preview of newly created video. - Mix All audio and videos . - Easily Save & Share.