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HomeHDR vs EXR
.hdr
.exr

HDR vs EXR

Compare Radiance HDR Image and OpenEXR Image formats — understand the key differences and when to use each

Format Overview

HDR

Radiance HDR Image

Radiance HDR Image (.hdr) is a image file format.

.hdrimage

EXR

OpenEXR Image

OpenEXR Image (.exr) is a image file format.

.exrimage

HDR vs EXR: Feature Comparison

FeatureHDREXR
Full NameRadiance HDR ImageOpenEXR Image
File Extension.hdr.exr
Categoryimageimage
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use HDR vs EXR

Use HDR when you need:

  • •Files in Radiance HDR Image format for maximum compatibility
  • •Industry-standard image format support
  • •Wide software and platform compatibility

Use EXR when you need:

  • •Files in OpenEXR Image format for specific workflows
  • •Optimized image format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

HDR EXREXR HDR
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Learn More About These Formats

HDR Converter EXR Converter

Frequently Asked Questions

What is the difference between HDR and EXR?
HDR (Radiance HDR Image) and EXR (OpenEXR Image) are both image file formats. HDR files use the .hdr extension while EXR uses .exr. They differ in compression, quality, compatibility, and intended use cases.
Can I convert HDR to EXR for free?
Yes! Convert999 lets you convert HDR to EXR completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.
Which is better, HDR or EXR?
It depends on your use case. HDR (Radiance HDR Image) may be better for certain workflows, while EXR (OpenEXR Image) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.
Is it safe to convert files on Convert999?
Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

HDR Converter

Convert from HDR

EXR Converter

Convert from EXR

File Tools

Compress, resize, merge

Convert to HDR

All sources → HDR

Convert to EXR

All sources → EXR

Format Statistics

Trends & data 2025

More Format Comparisons

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