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Audio Merger

Merge multiple audio files into one — crossfade, multi-format output

About Audio Merger

Merge multiple audio files into a single track with optional crossfade — supports multiple output formats with server-side processing.

How to use Audio Merger

  1. 1Click "Add audio files" and select two or more audio files to merge.
  2. 2Arrange the files in the desired playback order by dragging them.
  3. 3Optionally set a crossfade duration for smooth transitions between tracks.
  4. 4Choose the output format and click "Merge".
  5. 5Download the merged file once processing is complete.

Tips

  • Use crossfade to create seamless transitions between songs for DJ mixes or podcast compilations.
  • All files are processed server-side with FFmpeg — no quality loss during merging.
  • Merge voice recordings from different sessions into a single continuous audio file.

Free vs paid limits

Free: merge up to 2 files. Starter+: unlimited files per merge.

Related tools

OneKitTools TeamUpdated 2.21.4