HDR

Radiance map
File type: Graphics file
Files with hdr file suffix can mainly be found as radiance maps, some sort of graphics format that includes illumination and lighting data.
Found 11 different file type records with the same hdr filename suffix.
What is hdr file?
File type category:
Graphics file
Date updated: January 2, 2025
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 hdr file?
Use Adobe Photoshop to work with the* .hdr files.
How to convert hdr file?
Conversion to other formats is not possible.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software applications that can open hdr files:
Adobe Photoshop (Microsoft Windows)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
Affinity Photo (Multiplatform)
Software applications that can edit hdr files:
Adobe Photoshop (Microsoft Windows)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
Affinity Photo (Multiplatform)
Software capable of saving hdr files:
Adobe Photoshop (Microsoft Windows)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
Affinity Photo (Multiplatform)
Programs for viewing hdr files:
Pdplayer (Multiplatform)
Software apps that import hdr files:
Affinity Photo (Multiplatform)
Software apps that export hdr files:
HDR Darkroom (Microsoft Windows)
Affinity Photo (Multiplatform)
Software applications that handle other tasks involving hdr files:
Adobe Creative Suite (Microsoft Windows)
Adobe Creative Suite for Mac (Apple macOS / Mac OS X)
Adobe Creative Cloud (Multiplatform)
ArcView header data
File type category:
Text file
Date updated: March 28, 2024
The hdr file extension is also related to a special raster data header file is an ASCII text file containing size and coordinate information for the layer.
Many standard software packages require the hdr file to provide important geo-referencing information for the image.
How to open hdr file?
The *.hdr files are used for internal purposes of ArcView.
How to convert hdr file?
Conversion to other formats is not possible.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software apps that create hdr files:
ArcGIS for Desktop Basic (ArcView) (Microsoft Windows)
Software applications that handle other tasks involving hdr files:
ArcGIS for Desktop Basic (ArcView) (Microsoft Windows)
DataFlex header data
File type category:
Various data file
Date updated: July 26, 2018
The hdr file extension is associated with DataFlex and use for header files.
If header files exist, there will be one HDR for each DAT. The header file is mostly a copy of the the first 2,776 bytes of the datafile in case that part of the file gets clobbered for some reason.
An administrative utility allows a developer to restore a damaged header based on the 'backup' provided in the HDR file.
How to open hdr file?
Probably not meant to be accessed by the user.
How to convert hdr file?
Probably cannot be converted to anything else.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software apps that create hdr files:
DataFlex (Linux/Unix)
Software applications that handle other tasks involving hdr files:
DataFlex (Linux/Unix)
ENVI header data
File type category:
Various data file
Date updated: January 2, 2018
The hdr file extension is associated with ENVI, a software solution used to process and analyze geospatial images for Microsoft Windows, from Exelis Visual Information Solutions.
The hdr file contains header data.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software apps that create hdr files:
ENVI (Microsoft Windows)
Software applications that handle other tasks involving hdr files:
ENVI (Microsoft Windows)
InstallShield setup header
File type category:
Various data file
Date updated: September 29, 2017
File extension hdr is also related InstallShield Windows software installation program. These files contain some sort of header information for setup.
How to open hdr file?
Most likely only used for the purposes of InstallShield.
How to convert hdr file?
As much as we could gather, no hdr conversion for this file type is possible.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software applications that handle other tasks involving hdr files:
InstallShield (Microsoft Windows)
Mail.dat header data
File type category:
Various data file
Date updated: March 17, 2017
The hdr file extension is associated with the PostalOne!, a web-based alternative to existing manual mailing processes with electronic suite.
The hdr file stores Mail.dat header data from PostalOne! suite.
MicroSim PCBoard hole-drill schedule report
File type category:
Various data file
Date updated: June 26, 2018
The hdr file extension was also used in old program by MicroSim called PCBoard (also known as OrCAD PCB Designer), developed by Cadence Design Systems.
The hdr file used in this program did contain saved hole-drill schedule report.
How to open hdr file?
You might be able to work with these files using PCBoard / OrCAD software.
How to convert hdr file?
Probably can be exported to other formats.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software applications that can open hdr files:
OrCAD PCB Designer (Microsoft Windows)
Software apps that create hdr files:
OrCAD PCB Designer (Microsoft Windows)
Software applications that handle other tasks involving hdr files:
OrCAD PCB Designer (Microsoft Windows)
Microsoft IIS Server NNTP header data
File type category:
Various data file
Date updated: March 17, 2017
The hdr file extension is related to the Microsoft IIS (Microsoft Internet Information Services) an extensible web server for Microsoft Windows system.
The hdr file contains NNTP (Network News Transfer Protocol) header data.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software apps that create hdr files:
Microsoft Internet Information Services (Microsoft Windows)
Software applications that handle other tasks involving hdr files:
Microsoft Internet Information Services (Microsoft Windows)
Photomatix HDR image
File type category:
Bitmap image file
Date updated: October 14, 2024
The hdr file extension is also related to Photomatix software and used for its default HDR image format.
In image processing, computer graphics, and photography, high dynamic range imaging (HDRI or just HDR) is a set of techniques that allows a greater dynamic range of exposures (the range of values between light and dark areas) than normal digital imaging techniques. The intention of HDRI is to accurately represent the wide range of intensity levels found in real scenes ranging from direct sunlight to shadows.
Also used for another image formats like Apollo HRDU, Analyze from Mayo Foundation Biomedical Imaging Resource etc. Probably unrelated, just sharing same extension and file type.
How to open hdr file?
You can work with these HDR files using Photomatix software.
How to convert hdr file?
Use compatible tools to export *.hdr files to other formats.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software applications that can open hdr files:
Photomatix Pro (Microsoft Windows)
Adobe Photoshop (Microsoft Windows)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
Hydra (Apple macOS / Mac OS X)
Software applications that can edit hdr files:
Photomatix Pro (Microsoft Windows)
Hydra (Apple macOS / Mac OS X)
Software capable of saving hdr files:
Photomatix Pro (Microsoft Windows)
Hydra (Apple macOS / Mac OS X)
Programs for viewing hdr files:
Hydra (Apple macOS / Mac OS X)
Software apps that create hdr files:
Photomatix Pro (Microsoft Windows)
Hydra (Apple macOS / Mac OS X)
Software apps that import hdr files:
Rawzor Photo (Microsoft Windows)
Software apps that print hdr files:
Adobe Photoshop (Microsoft Windows)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
Hydra (Apple macOS / Mac OS X)
Procomm Plus message header
File type category:
Various data file
Date updated: January 9, 2019
The hdr file extension was also used by Procomm Plus, a terminal emulation and file transfer software from Symantec.
The hdr file used in Procomm contains saved message header.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software applications that handle other tasks involving hdr files:
Procomm Plus (Microsoft Windows)
Transport Fever texture
File type category:
Game file
Date updated: November 14, 2016
The hdr file extension is associated with the Transport Fever, an economic simulation and railroad tycoon video game for Microsoft Windows and Mac.
The hdr file stores texture for 3D model.
Suggested software to open hdr file:
Associated software actions with the hdr file
Software applications that handle other tasks involving hdr files:
Transport Fever (Multiplatform)