WebP file format is a new image format released by Google that stores both lossy and lossless compression formats in high-quality. By converting images to .webp, you can reduce the image size greatly without sacrifice quality. Improve the image loading speed for your website. However, Wepb image files can not be opened directly on Windows or Mac computers. You can not preview the Webp image just double click on it. That's why you need to use some third-party software to convert Webp image to other general image format like JPG and PNG. By using Vertexshare Webp Converter, you can save your JPG/PNG directly as Webp image to improve your website loading speed, you can also transfer the Wepb images to JPG or PNG and share them with your friend, open and preview them. Main Features of Webp Converter for Windows. Convert Webp to jpg/png Convert jpg/png to Webp Free free to use and no limitations at all Add hundreds of Webp or other image files for conversion Fast and safe. Finish the conversion process with only one click. 100% offline. No images or data will be uploaded. Standalone.