在线为任何视频添加背景音乐或配音。上传视频和音频，然后下载合并后的结果。
Drop your video file here
or click to browse
Max 500MB
Drop your audio file here
MP3, WAV, AAC, OGG, FLAC
Max 500MB
100% Private
All processing happens in your browser. Nothing is ever uploaded to any server.
Select the video file you want to add audio to.
Upload an audio file — music, voiceover, or sound effects.
Preview the combined result and download.