Convert hed to pdf Online: hed2pdf

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

Go to Tom's Editor

HED

Hi-Eddi is an image format with extension HED.

PDF

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