WebP is an image compression algorithm rom Google that they are trying to push as a standart. In 90% of cases it doesn't matter to us as users what format have an image if the browser displays it. But when you download WebP picture, it become clear to all the flaws.
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Save Image As Type will help save picture as jpg, png or webp. Very convenient when you need to download it in normal format.
In the context menu item will appear Save image as Type, where you can choose JPG or PNG. The picture is immediately downloaded in the chosen format.