Bitly QR Codes are available in these file types: JPG, PNG, and SVG. When you first create a QR Code or customize an existing one, you have the option to download it in any of these formats. PNG is the default option. Click the dropdown menu to select JPG or SVG.
To download a QR Code you've previous created, find it on the QR Codes page and click the download icon. This icon is available on the list of all of your QR Codes as well as the QR Code Details page.