Convert hdr to pdf Online: hdr2pdf

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

Go to Tom's Editor

HDR

Radiance RGBE image is an image format with extension HDR.

PDF

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