Wedding video with copyrighted music → Facebook silences audio? Or want to remove vlog voice → add trending music?
4 reasons
- Avoid DMCA copyright (replace with CC0 music).
- Remove noise (mute → add clean BG music).
- Re-record voice-over.
- Silent dance video TikTok + viral music.
Mute vs Replace
Mute: removes audio entirely (you add later via TikTok library). Replace: swap original with new MP3 (best for YouTube/FB).
5 steps
- Open Mute / Replace.
- Drag MP4 (up to 500 MB).
- Pick Mute or Replace.
- If Replace: drag MP3.
- Apply → download.
Copyright safety
✅ CC0 music = legal. ✅ Your own music = full rights. ⚠️ Paid libraries need subscription. ❌ Spotify/YT Music = violation. Best: Pixabay CC0.