About Audio Joiner

Audio Joiner joins, trims, and balances audio files. It runs entirely in your browser, for anyone who needs a quick edit without installing software or handing their recordings to a server.

Principles

Processing happens on your device
Your audio is decoded, edited, and exported inside the browser. Source files are not uploaded to a server.
Nothing to install
The editor runs in a modern browser, either here on the site or as a Chrome extension.
Built for precision
Waveforms show real peaks rather than a smoothed approximation, edits preview instantly, and the export is rendered from the same timeline you hear.

How it works

  1. 01Add your audio files. They are decoded locally by the browser’s audio engine.
  2. 02Reorder tracks, trim the ends, set levels, and fade the joints, with instant preview.
  3. 03Export a single file. The final render happens on your machine and saves straight to your downloads.

Who is behind it

Contact[email protected]