Now open the folder where the WebP image file is stored and rename the image to JPG or PNG. Windows may issue a warning that the image may become unusable, but ignore this warning and click Yes.

PNG, short for Portable Network Graphics, is a popular and high-quality graphic file format. The PNG format is lossless and supports transparency.

To convert a PNG file to JPG in Windows, open the image in Paint and select File > Save as, then choose JPEG. On a Mac, open the image in Preview and select File > Export, then choose JPEG.

If you want JPG, PDF, PNG, MP4, MP3, and other file types to always open with a particular program or app, then you can set or change file associations using the Settings app, File Type Properties ...

Alternatively, both Windows 11 and Windows 10 users can change their default app from File Explorer. For this, launch File Explorer and right-click on the photo with a particular extension, say PNG.

You can open PNG files with a variety of programs. For example, with the Windows Photo Viewer or with the Windows Paint program, but also with image editing programs such as Paint.net, Gimp, or ...