Currently I use DuckDuckGo (DDG) as my default search engine, especially because I have the feeling that it is quiet fast. But DDG also has many features. For example, you can quickly and easily create a QR code by typing “qr code” + (what should be displayed as QR code).
In the browser you can then right-click on the picture and select “Show picture”. The picture will open. But the image is not stored as JPG or PNG file on a server, but is displayed using a base64 data URI.