Audio Merge
Merge audio files into one WAV locally in your browser. No upload, no signup.
Drop audio files to merge
Append audio files in order and export one local WAV file in your browser.
Accepts:
WAVFLACM4AAACOGGOpusMP4 video
Up to 10 files ยท 500 MB total
Questions
Does Audio Merge upload my files?
No. The files are decoded, appended, previewed, and exported locally in your browser tab.
Which output format does Audio Merge create?
The first version exports WAV because it can be written reliably in the browser after decoding and appending samples.
Can I merge MP3 files?
Yes, when your browser can decode the MP3 files. The merged download is currently WAV.
Does Utilumo upload my input?
No. This tool is designed for local browser processing and does not send your input to a server.
Do I need an account?
No. Utilumo tools are built to work without accounts or sign-in.