Convert hgr to pdf Online: hgr2pdf

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

Go to Tom's Editor

HGR

High Resolution is an image format with extension HGR.

PDF

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