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Join audio files online — merge songs with a crossfade

Merge several tracks into one file in any order, with a smooth crossfade between them. Great for mixes, podcasts and DJ sets.

🔒 Files stay on your device✓ Free, no sign-up

How it works

Add two or more files, put them in order with the arrows, choose the crossfade length and press Download. You get one MP3 or WAV with smooth transitions.

Are my files uploaded anywhere?

No. Everything is processed by your own browser. Your music is not sent to our server or anyone else, so the tool is private and works even with very large files.