Fortunately, converting WebP images to JPG or PNG isn't too difficult, regardless of whether you're using a computer or phone ...

1) Use a free online converter tool to convert NEF to JPG, PNG, GIF, etc. online-convert.com is a free file converter tool that you can use to convert NEF to JPG, PNG, and other formats.

It is easy to use and converts files quite fast. Aconvert.com is a nice free online tool to batch convert AI to PNG and multiple other formats. Some of the output supported by this web service ...