CommentMetro
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Get the extension

CommentMetro lives in your browser. It works in Chrome, Edge and Brave, on Windows and Mac.

It is not in the Chrome Web Store yet, so the first time takes four short steps.

Set it up

  1. Download and unzip

    Download the file. On Windows, right-click it and choose Extract All. On a Mac, double-click it.

  2. Open your extensions page

    Type chrome://extensions in the address bar and press Enter.

  3. Load it

    Turn on Developer mode at the top right. Click Load unpacked, then choose the folder you unzipped.

  4. Press Alt+C on any page

    The comment section slides in from the side. On a Mac, press Option+C. You can also click the purple train in the toolbar.