Audio Joiner & Crossfader
Merge multiple MP3/WAV files and add smooth crossfades instantly in your browser.
Supports MP3 & MP4 Videos
What does an Audio Joiner do?
An audio joiner does exactly what it sounds like. It takes multiple separate audio files and glues them together into one single, continuous track. This is super helpful if you have a bunch of voice notes you want to combine, or if you are trying to make a continuous mix of your favorite songs for a party.
Instead of opening up heavy audio editing software just to stick two files together, you can do it right here in your browser in a few seconds.
How to combine your files
Just click the upload area and select all the audio files you want to merge. Once they are uploaded, you can drag and drop them to put them in the exact order you want. If you want to make the transition smoother, you can even add a crossfade so the songs blend into each other.
When you are happy with the order, just click the join button. We will process the files and give you one single audio file to download.
Frequently Asked Questions
Does joining files reduce the audio quality?
Not at all. We join the files together without re-compressing them unnecessarily, so your final track will sound just as crisp and clear as the original files you uploaded.
Can I join MP3 and WAV files together?
Yes. You can upload completely different file formats. Our engine will decode them all, stitch them together seamlessly, and export them as one unified file.
Is there a limit to how many files I can add?
You can add up to 20 separate audio files at once. If you need to join more than that, you can join the first 20, download the result, and then join that new file with the rest.