Add Music to Video
Mix in background music under your voice, or replace the soundtrack completely, with automatic ducking.
or drag & drop videos, audio or images here, or paste with Ctrl+V
MP4 · MOV · MKV · AVI · WebM · WMV · FLV · GIF · MP3 · WAV · M4A · and 40+ more
- Files never leave your device
- No sign-up, no watermark
- Free forever
How to use Add Music to Video
- Step 1Add your video.
- Step 2In Audio → Music & audio track, add an audio file.
- Step 3Choose Mix or Replace, set the volume and export.
Add Music to Video: FAQ
What is auto-ducking?
It lowers the music automatically whenever someone speaks, so voices stay clear.
Is it private?
Yes. Everything runs in your browser using FFmpeg compiled to WebAssembly. Your files are never uploaded to our servers.
Is it free?
Yes, free with no watermark and no sign-up. Pro adds extras like 4K export, unlimited batch and AI subtitles.