A daily updated filename extension database!

HDRI file extension

The table below provides useful information about the .hdri file extension. It answers questions such as:

  • What is the .hdri file?
  • What program do I need to open a .hdri file?
  • How can the .hdri file be opened, edited or printed?
  • How can I convert .hdri files to another format?

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ HDRi Image

HDR file is a HDRi Image. The HDRi data format is a 64bit (color) or 32bit (greyscale) data format for saving RAW data of HDR scans including infrared data developed by LaserSoft Imaging.
Category: Graphic files
Application: XnView
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDR aliases:
HDR related links:
HDR related extensions:

Other types of files may also use the .hdri file extension.

🔄 .hdri converters

The following softwares are capable of converting .hdri files to other formats:


For example, using the softwares above, a .hdri file can be converted into one of the following formats:

skp, fit, kps, fits, vpb, xv, ef3, dxf, si, eps, bum, apx, jps, tile, vda

🚫 The .hdri file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dri, hdi, hdr, hdru

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Excellion Drill File
DataFlex Database Header
Microsoft SQL Server Data Replication Index
HDRi Image
Autodesk AutoCAD Heidi Device Interface
HotDocs Auto-Install File
HAHTsite Site Configuration Data
Microsoft IIS NNTP Header Data
Apollo HDRU Image

🔴 Can't open a .hdri file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .hdri file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .hdri file extension, write to us!

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