Convert cis to pdf Online: cis2pdf

You can use Tom's Editor to easily convert images from
Compuserve RLE image .CIS to Portable Document Format .PDF.
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.

PDF

Adobe PDF format is the most popular document format. Overcomplicated. Offers compression.