✨ Start for free • Upgrade anytime with 1 free AI videoView Plans
Surf LogoSurf

Free Add Music to Video

Add background music, voiceovers, or any audio track to your videos right in your browser. Perfect for adding music to TikToks, Instagram Reels, and YouTube Shorts. Choose to replace the original audio or mix it with your new track. Adjust the volume of both tracks independently. Everything runs locally using WebAssembly — your files never leave your device. No watermarks, no limits, no account needed.

Music Settings

Output Video

Select a video and audio file, choose your settings, and click “Add Music to Video”. All processing happens locally.

Add voiceovers and music with Surf

Join thousands of creators using Surf to create, schedule, and grow across every platform.