Here is a solution that does not require the use of third-party applications. Step 1: Open Safari and navigate to the webpage. Show Reader View if available and preferred. From the menu bar, select File > Export as PDF > [Location] > Save . Step 2: Open the PDF file in Preview. Select File > Export > [Location] and Format: HEIC/JPEG/PNG > Save .
Hope it helps ..!! Also, To Secure your macOS from virus and trojans, use always a mac optimization software like mac optimizer .