File name Operation
Sample rate
Fade in
Fade out
Fast mode
Try to remove voice

Our free online audio joiner allows you to join your audio files into one.


1. Select one of the file sources: Local file, Dropbox, Googledrive and URL and provide a file name or its url.

2. Click the Open button to open the source audio file for join.

3. Click the Join button to start the conversion.

Easy audio merging
It is a single-purpose app, which makes it easy to use.
Unlimited tracks
There is no limit on the number of tracks you can join.
The crossfade feature enables you to join songs so that they flow one into another seamlessly.
More than 300 file formats
The app supports more than 300 audio formats, automatically converting them to mp3 for quicker and easier operation.
Combine songs online
The app can combine multiple songs online without having to install anything on your computer.
Intervals adjustment
You can configure the specific playback interval for each track using the blue sliders. You can move them using the mouse or the arrow keys.
Please authorize Online Audio Converter to work with your Google Drive
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File was saved to Google Drive