Recently, I downloaded a file with the file extension .webp. However, WordPress didn’t recognise that format, so I needed to convert it to JPG or PNG.
Webp is a Google file format for images. It’s not widely adopted, so if you receive a file with a .webp extension and can’t open it, here are a few ideas.
I used Affinity Photo to export the file I received to the required format. My copy of Adobe Photoshop CS6 said it was an unsupported format, as did Corel PaintShop Pro 2018. There is a plugin to handle .webp for Adobe Photoshop, but I don’t know if it applies to older versions.
Other programs that can read .webp files and allow you to save as JPG or other formats are: