An exr file extension is used for images stored in the OpenEXR Image Format that was developed by the Industrial Light & Magic. OpenEXR image format was going to public in 2003 and it is supported by popular graphics applications, such as Adobe Photoshop, Adobe After Effects, 3D Studio Max, Blender etc.

Detailed description

Software that open exr file

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EXR file extension - OpenEXR Image Format

What is exr file? How to open exr files?

File type specification:

Bitmap image file type icon Bitmap image file type

The exr file extension (Extended Dynamic Range image file format) is associated with the OpenEXR image file format

OpenEXR was developed in 1999 by Industrial Light & Magic that is the leader in creating of movie digital tricks and is the open source high dynamic-range (HDR) graphic file format. The main advantage of that format are up to 32-bit floating-point pixels and multiple lossless image compression algorithms up to 2:1 lossless compression on film grained images.

OpenEXR is used by ILM on all motion pictures currently in production. The first movies to employ OpenEXR were Harry Potter and the Sorcerers Stone, Men in Black II, Gangs of New York, and Signs. Since then, OpenEXR has become ILM's main image file format.

OpenEXR supports higher dynamic range and color precision than existing image file formats. It is full compatible with nVidia GeForce and Quadro 3D graphics solutions. It uses multiple lossless image compression algorithms.

OpenEXR is also supported by variety of popular graphics and video editing applications, for example Adobe Photoshop, Adobe After Effects, 3D Studio Max, Blender, CINEMA 4D, TerraGen etc.

Updated: April 4, 2024

The default software associated to open exr file:

exrtools  Microsoft Windows software

Company or developer:
Billy Biggs

exrtools is a set of simple command-line utilities for manipulating with high dynamic range images in OpenEXR format. OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications.

Help how to open:

Popular graphics and video editing applications, such as Adobe Photoshop, Adobe After Effects, 3D Studio Max are able to view EXR file stored in OpenEXR Image Format.

How to convert:

Use any of popular graphics applications such as Adobe Photoshop, 3D Studio Max, Blender to convert EXR file to another image format.

Find conversions from exr file:

exr to jpeg

exr to jpg

exr to mov

exr to png

exr to tgd

exr to xaf

exr to xcf

Find converter to exr file type:

hip to exr

icns to exr

mp4 to exr

png to exr

ter to exr

tgd to exr

tgo to exr

File identification strings:

HEX code: 76 2F 31 01 02 00 00 00 63 68 61 6E 6E 65 6C 73 00
ASCII code: v/1.....channels.chlist.

Related links:

Web about OpenEXR

Industrial Light & Magic web site.

List of software applications associated to the .exr file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open exr file, edit exr file, convert exr file, view exr file, play exr file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting exr files.

Software that open exr file - OpenEXR Image Format

Programs supporting the exension exr on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open exr file action.

Microsoft Windows:

Main software associated with exr file by default:
Other suggested software:
Adobe Photoshop small icon Adobe Photoshop
3ds Max (3D Studio Max) small icon 3ds Max (3D Studio Max)
Blender small icon Blender
CINEMA 4D small icon CINEMA 4D
Adobe After Effects small icon Adobe After Effects
TerraGen small icon TerraGen
GIMP small icon GIMP
PhotoPlus small icon PhotoPlus


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