This is a Chrome extension for decoding Base64 strings.
- Go to chrome://extensions
- Turn on Developer Mode from the top right corner of the page
- Click on "Load unpacked" button on the top left corner of the page
- Select the folder "Base64DecoderExtension" you cloned
- Go to the page containing Base64 string
- Select the whole Base64 String
- Right-click on the selection
- Select "Base64 Decode Selection" with a sheep icon.