Join songs into one continuous track — with smooth crossfades
The free MP3 joiner for music: blend tracks into each other with 1–3 second crossfades instead of hard cuts, and download one seamless MP3.
Privacy First: All processing runs locally in your browser. Your files never leave your device.
Drag and drop files here or click to add
Select multiple files or add them one by one
Supported: MP3 | Max file size: 50MB | Max duration: 5 minutes
Files to merge (0)
Use arrows to reorder, × to remove files.
Processing happens locally for privacy.
Joining runs locally in your browser.
One continuous MP3 in seconds.
No signup, no limits, no watermark.
MP3.
Desktop editors make you import, align, crossfade and export manually. This MP3 joiner online collapses that into three clicks — and because it processes locally, a ten-song mix joins in seconds. For non-MP3 formats use the audio joiner; for plain concatenation without blends, merge MP3 is the faster preset. DJs: finish the mix with free DJ drops or a custom voice tag over the top.
Same core job — combining files — but a joiner is tuned for music: this page defaults to crossfade transitions so songs blend into one another, while a plain merge does hard cuts. For simple concatenation use the merge MP3 page.
For music, 2 seconds is the sweet spot — long enough to feel smooth, short enough not to smear the incoming track. Use 1s for spoken word and 3s for ambient or chillout mixes.
Yes, but for the best result run each file through the free audio normalizer first so every song hits the same loudness, then join them here.
Yes — free, no account, no watermark, no output limit. It runs in your browser, so there's nothing to install either.
No. All joining happens locally in your browser via WebAssembly; your music never leaves your device.
For a quick pre-mixed set, yes — join your tracks with crossfades and press play. And if you want custom drops or name tags over the mix, grab free DJ drops from our generator.
Turn your idea into a finished jingle, radio ID, or promo. Make one yourself in seconds with our AI Jingle Maker — or have a custom one handcrafted for you.