Convert cis to webp Online: cis2webp

You can use Tom's Editor to easily convert images from
Compuserve RLE image .CIS to WebP .WEBP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

CIS

Compuserve RLE image is an image format with extension CIS.

WEBP

WebP is an image format with extension WEBP.