Almost done: add youtube2mp3 to Chrome

The helper is installed. Chrome only lets you add this extension by hand, once. It takes 30 seconds.

  1. In Chrome, open chrome://extensions (type it in the address bar) and turn ON Developer mode (switch at the top right).
  2. Click Load unpacked. In the folder window, click the address box at the top, press Ctrl+V and Enter, then click Select Folder. The folder is: %LOCALAPPDATA%\youtube2mp3\extension (The installer put the full path on your clipboard. The folder window that opened is the same folder.)
  3. Click the puzzle-piece icon in Chrome and pin youtube2mp3. Open a YouTube video, click the icon, pick MP3 or MP4, Download.

Already added it before?

Just click the reload arrow ↻ on the youtube2mp3 card in chrome://extensions.

Updates: click Update now in the popup when it shows up, or run the setup again.
Uninstall: Start menu → youtube2mp3 → Uninstall (then Remove the card in chrome://extensions).
Help: smartapz.com/youtube2mp3 · Free to use, no warranty (MIT License) · © 2026 SmartApz