Audio Merger Online
Combine multiple audio files into a single file, in the order you choose, entirely inside your browser.
How does this merger work?
Each uploaded file is decoded into raw audio samples using the Web Audio API. Files with a different sample rate or channel count than the rest are resampled to match, then every file's samples are joined end-to-end in the order shown and re-encoded as a single WAV file.
GuideHow to use it
Features & benefits
Why this runs entirely in your browser
Audio files can contain personal recordings, so nothing is uploaded to a server. Decoding, resampling, and merging all happen locally using the Web Audio API, directly in the tab.
Common uses
Combining several voice memo clips into one file, joining background music tracks back to back, or stitching together separately recorded segments of a longer recording.
Frequently asked questions
A few things people usually want to know before trusting the numbers.
Yes. Every file is automatically resampled to match the highest sample rate and channel count among the files you've added, so they merge cleanly.
The order shown in the list, top to bottom — use the up and down arrows next to each file to rearrange them before merging.
No. Files are joined directly end-to-end with no gap, silence, or crossfade added between them.
The merged result is always saved as WAV, which can be written directly by the browser without needing an external encoding library.
No. All merging happens locally in your browser. Nothing uploaded here is sent to a server, stored, or shared.