Free online audio tool
Upload two or more audio files, arrange clips on a timeline, adjust volume per track, preview the mix, and export WAV or MP3.
Visual preview may lag with multiple tracks. Exported WAV/MP3 quality remains unaffected.
Load multiple audio files to start.
What is
Multi-Track Audio Merger Online lets you combine several audio files into one mix. Add music, voice notes, intros, outros, or sound effects as separate tracks, then drag each clip to control when it starts.
The editor includes a playhead, animated spectrum display, zoomable timeline, per-track controls, and WAV or MP3 export.
How to
Before mixing
Your selected tracks are processed on your device. Projects with many long files can require more time and memory, so keep the page open while previewing or exporting.
Listen through important transitions before downloading. Overlapping loud tracks can cause distortion, while large volume differences may make part of the mix difficult to hear.
FAQs
It is an audio mixing tool for placing multiple clips on a timeline, balancing their volume, and exporting one combined file.
Yes. You can move clips on the timeline so they start together, overlap, or play one after another.
Yes. Each track has volume, mute, solo, and timing controls so you can balance the mix before exporting.
You can export the final mix as WAV or MP3, depending on the output you need.
Multiple long tracks require more memory and processing power during preview and export.
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