CONVERSION LOGIC
Join multiple audio files
Combine at least two audio files into one WAV output using browser-side FFmpeg.
Audio filesJoined WAVRuns locally
01Audio files
02Multiple inputs → concatenate → PCM WAV
03Joined WAV
The final file is exported as joined.wav.
The output is normalized into a WAV container
UtilityLake first attempts FFmpeg concatenation and can fall back to the concat audio filter when required.
Your content stays in the browser
Processing runs locally in the page without requiring the content to be sent to UtilityLake.
02
In short
What exactly does it do?
Combine at least two audio files into one WAV output using browser-side FFmpeg.
Example?
The final file is exported as joined.wav.