Audio Mixer Studio
Combine multiple audio tracks into one. Adjust volumes and merge songs, voiceovers, and background music instantly.
Audio Tracks
No tracks added. Upload audio files to start mixing.
Why use UnitMaster Audio Mixer?
Blend voiceovers with background music, combine multiple songs, or create a podcast intro—all directly in your browser.
Multi-Track Mixing
Layer up to 4 audio tracks simultaneously. Adjust volume levels independently to get the perfect balance.
Format Freedom
Mix MP3, WAV, OGG, and more. We handle the conversion automatically so you don't have to worry about compatibility.
100% Private & Secure
Your files never leave your device. Processing happens locally in your browser sandbox.
How to Mix Audio
1. Add Tracks
Upload your voice recordings, background music, or sound effects.
2. Adjust Levels
Use the volume sliders to fade music down and bring voice up.
3. Export Mix
Click "Export Audio" to merge everything into a single MP3 file.