Convert psid to pdf Online: psid2pdf

You can use Tom's Editor to easily convert images from
PostScript image .PSID to Portable Document Format .PDF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

PSID

PostScript image is an image format with extension PSID.

PDF

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