.HDR File

.hdr is High Dynamic Range Image File

Key Features: .HDR File Extension

Features Description
File Extension .hdr
Format N/A
Created by HDRsoft
Category Raster Image

What's on this Page

  1. How to open:
  2. How to convert:

What is an .HDR file?

The hdr file extension is associated with Adobe Photoshop and used for files containing radiance map data.

Radiance maps are useful for representing true illumination values in image-based rendering applications, and are useful for recording incident illumination and using this light to illuminate CG objects for realistic compositing.

HDR is also abbreviation for High Dynamic Range imaging technique.

How to open:

Use Adobe Photoshop to work with the* .hdr files.

How to convert:

Conversion to other formats is not possible.
High Dynamic Range Image File - File openers


  1. HDRSoft Photomatix
  2. Adobe Photoshop CC 2019
  3. ACD Systems Canvas X 2019
  4. ACD Systems ACDSee 2018


  1. HDRSoft Photomatix
  2. Adobe Photoshop CC 2019
  3. Lemkesoft GraphicConverter


  1. File Viewer for Android


Raster Image


How to solve problems with HDR files