Audio Mixer
Multi-track mixer with per-track volume, pan, mute/solo, waveforms, and offset timing.
Free & unlimited
Master volume
100%SilentLoud
Tracks
0/2 loadedNo file
No file
All processing happens in your browser. No data is sent to any server.
About this tool
- 1
Upload Tracks
Select two audio files to mix together, such as vocals and a backing track.
- 2
Adjust Levels
Set the volume level for each track independently to achieve the desired balance.
- 3
Set Timing
Optionally offset one track to align both audio sources at the right starting point.
- 4
Mix & Download
Click mix to combine the tracks, then download the merged audio file.
- Lower the backing track volume to around 70% when mixing with vocals for clear speech.
- Use offset timing to align a music bed with narration starting points.
- Normalize both tracks before mixing for more predictable volume results.
- Preview the mix before downloading to check for clipping or imbalance.
- Mix two audio tracks with independent volume controls
- Time offset control to align tracks precisely
- Automatic clipping prevention with limiter
- Supports mixing files of different formats and sample rates
- Real-time preview of the combined mix
- Adding background music to a voice-over narration
- Layering sound effects onto a music track for video projects
- Combining two instrument recordings into a single track
- Creating karaoke-style mixes with vocals over instrumental tracks
The output length matches the longer track. The shorter track is padded with silence after it ends.
Yes. The tool automatically resamples both tracks to match before mixing, so you can combine files of any sample rate.
The mixer includes an automatic limiter. You can also reduce both track volumes slightly (e.g., to 80%) to leave headroom and avoid distortion.