Audio Joiner
To join audio files, add two or more tracks, put them in order, set an optional crossfade, and export one MP3 or WAV. Files with different sample rates are resampled automatically.
- Free
- No signup
- Runs in your browser
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How to use Audio Joiner
- 1Choose your file with the upload box above, or drag and drop it onto the box.
- 2Adjust the options; the preview updates as you change them.
- 3Click the main button to process the file in your browser.
- 4Download the result. Your original file is never changed or uploaded.
Audio Joiner: questions people ask
Can I join different formats?
Yes. MP3, WAV, M4A, OGG and FLAC can be mixed in one project.
What does crossfade do?
It overlaps the end of one track with the start of the next for a smooth transition.
Is my data uploaded when I use the Audio Joiner?
No. The Audio Joiner runs entirely in your web browser, so your files stay on your device and work even on a slow connection.
Does the Audio Joiner work on iPhone, Android and Mac?
Yes. The Audio Joiner runs in any modern browser (Safari, Chrome, Edge or Firefox) on iPhone, iPad, Android phones, Mac, Windows and Chromebook. There is no app to install.
Is the Audio Joiner free?
Yes. The Audio Joiner is free with no signup, no watermark and no daily limit.