HDR File

What are HDR files and how to open them

Are you having problems opening a HDR file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your HDR files.

What is a HDR file?

HDR files have multiple uses, and High Dynamic Range Raytrace Bitmap is one of them. Read more about the other uses further down the page.

High Dynamic Range Raytrace Bitmap

HDR is an acronym for High Dynamic Range. These files are created with the Radiance ray-tracing software.

Radiance is used to analyze and visualize lighting in various design scenarios. As input, you can provide geometry data, materials, luminaires, sky conditions, etc.

Architects and engineers use Radiance to predict illumination, visual quality, and appearance of innovative design spaces.

How to open HDR files

We have identified one HDR opener that is compatible with this specific type of HDR file.

Programs that open High Dynamic Range Raytrace Bitmap files

Last updated: July 22, 2024

All known file formats using extension .HDR

While High Dynamic Range Raytrace Bitmap is a popular type of HDR-file, we know of 8 different uses of the .HDR file extension. Different software may use files with the same extension for different types of data.

ENVI Classic Header

We know that one HDR format is ENVI Classic Header. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

While we have not verified the apps ourselves yet, our users have suggested ten different HDR openers which you will find listed below.

ENVI Header

We know that one HDR format is ENVI Header. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Hangul Draw 96 Data

We know that one HDR format is Hangul Draw 96 Data. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

HotHelp Header File

We know that one HDR format is HotHelp Header File. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

InstallShield Setup Header File

We know that one HDR format is InstallShield Setup Header File. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Mayo/SPM Analyze Format Header File

Mayo Clinic Analyze uses a file format for storing MRI data. A data set consists of two files:

• Header file (name.hdr): Provides dimensional, identifying, and some processing history information
• Image file (name.img): Stream of voxels, whose datatype and ordering are described by the header file

Unisoku SPM Data Header

We know that one HDR format is Unisoku SPM Data Header. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of HDR files. Remember, different programs may use HDR files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about HDR file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.