Joiner

MP3 Merger

Combine multiple audio files into one MP3. Drag to reorder, set gaps, add crossfades, and download instantly.

Drop your file here

or click to browse

MP3, WAV, M4A, OGG, FLAC, AAC and more — different formats can be merged

How to merge MP3 files online

  1. Add all the audio files you want to merge — they can be in different formats.
  2. Drag and drop to reorder them in the playlist.
  3. Optionally add a gap between tracks or smooth crossfades.
  4. Click Merge & Download. Done.

Why merge audio in the browser?

Other merge tools upload your files to a server, queue them, and download the result. Ours processes everything in your browser — instant, private, and free no matter how many files you merge.