Audio Joiner – Merge Audio Files
Put songs or recordings in order and join them into a single MP3.
- 100% in your browser
- No upload
- No sign-up needed
- No watermark
How to join audio files
- Add your audio files
Drop two or more MP3, WAV, M4A or other audio files on the box above. - Set the order
Use the arrows to change the order and add a crossfade if you like. - Join and download
Everything is joined into one MP3. Download it when it is ready.
Features
- No uploadProcessing happens on your device with WebCodecs, so even large files stay private.
- No sign-up needed, no watermarkUse every tool as often as you like. Your output is clean.
- Hardware acceleratedUses your device’s video encoder when available, so most jobs finish in seconds.
- Works on phone and desktopRuns in Chrome, Edge, Safari and Firefox on iPhone, Android, Windows and Mac.
Frequently asked questions
Are my files uploaded?
No. The file is read and processed by your browser. It never leaves your device.
Is it free?
Yes. There is no file limit and no watermark, and you don’t need an account.