Audio Mixer Studio
Combine multiple audio tracks into one. Adjust volumes and merge songs, voiceovers, and background music instantly.
Audio Tracks
100% Private & Secure
Your files never leave your device. Processing happens locally in your browser sandbox.
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Mix & Merge Audio Tracks Offline
Blend voiceovers with background music, combine multiple songs, or create a podcast intro—all directly in your browser. Our advanced audio engine runs locally on your device.
Multi-Track Mixing
Layer tracks to create the perfect mix. Adjust volume levels independently to get the perfect balance between voice and music.
Privacy First (Zero Uploads)
All mixing happens locally in your browser using WebAssembly technology. Your audio files are never uploaded to our servers.
Format Freedom
Mix MP3, WAV, OGG, and more. We handle the conversion automatically so you don't have to worry about compatibility.
Studio Quality Export
Export your final mix as a high-bitrate MP3 file ready for publishing.
Why choose UnitMaster?
- Create professional podcast intros.
- Overlay voiceovers on background music.
- Merge multiple song parts.
- No software installation needed.