Free Online Audio Joiner & Song Combiner
Audio Joiner — Merge MP3 Files Online
Combine compatible music tracks, voice notes, or recordings into one continuous WAV file directly in your browser.
🔗 Audio Joiner
Combine multiple audio tracks into a single seamless audio file.
Why Use mp3cut.in Audio Joiner?
Unlimited Tracks: Upload 2, 5, or 10+ audio tracks and arrange their play sequence easily.
End-to-end joining: Combine tracks in the order you set with the arrow controls.
Compatible source files: Current browsers can decode many common formats; matching source sample rates gives more predictable joins.
100% On-Device: Merging happens inside browser RAM with total data privacy.
How end-to-end audio joining works
The joiner appends each selected track to the next one. Use the up and down controls to arrange the order before downloading. It does not add fades or crossfades, so prepare those changes in the source clips first when you need smoother transitions.
Dance / Party MedleysArrange short clips in the order you want, then join them end to end into a WAV file.
Podcast IntroductionsJoin compatible intro, music, and interview tracks into one WAV file for further editing.
Related audio tools
Choose a separate tool when your editing task needs more than trimming or format-compatible WAV output.
Frequently Asked Questions (FAQ)
Audio Joiner FAQs
Questions about merging and combining multiple MP3 songs online.
Upload two or more compatible audio files, use the arrow controls to set their order, and choose Merge & Download. The tool joins them end to end into one WAV file.
No. The current joiner places tracks end to end in the order you select. Prepare fades in the source clips before joining if you need them.
Many common formats can be decoded by current browsers, but support varies. For the most predictable result, use source files with matching sample rates; the output is a WAV file.
There is no fixed track-count setting, but practical limits depend on available browser memory, device performance, and the source files.