Merge Audio joins several tracks into one continuous file, with an optional crossfade between clips for smooth transitions. Combine voice notes, songs or sound effects — even in different formats — into a single MP3 or WAV, all processed locally.
Drop two or more audio files in and arrange them in the order to play.
Optionally add a crossfade duration so each clip blends into the next.
Choose MP3 or WAV and export the combined track.
Yes — mixed formats are resampled to a common rate so they join seamlessly.
It overlaps the end of one clip with the start of the next for a smooth, gap-free transition.
You can export the combined track as MP3 or WAV.
No. This tool runs entirely in your browser — your file is processed on your own device and never leaves it. The only network request is an anonymous usage counter.