Convert webp to j2k Online: webp2j2k

You can use Tom's Editor to easily convert images from
WebP .WEBP to JPEG-2000 Code Stream Syntax .J2K.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

WEBP

WebP is an image format with extension WEBP.

J2K

JPEG-2000 Code Stream Syntax is an image format with extension J2K.