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HomeEXR vs HDR
.exr
.hdr

EXR vs HDR

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

Format Overview

EXR

OpenEXR Image

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

.exrimage

HDR

Radiance HDR Image

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

.hdrimage

EXR vs HDR: Feature Comparison

FeatureEXRHDR
Full NameOpenEXR ImageRadiance HDR Image
File Extension.exr.hdr
Categoryimageimage
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use EXR vs HDR

Use EXR when you need:

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

Use HDR when you need:

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

Convert Between Them

EXR HDRHDR EXR
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Learn More About These Formats

EXR Converter HDR Converter

Frequently Asked Questions

What is the difference between EXR and HDR?
EXR (OpenEXR Image) and HDR (Radiance HDR Image) are both image file formats. EXR files use the .exr extension while HDR uses .hdr. They differ in compression, quality, compatibility, and intended use cases.
Can I convert EXR to HDR for free?
Yes! Convert999 lets you convert EXR to HDR 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, EXR or HDR?
It depends on your use case. EXR (OpenEXR Image) may be better for certain workflows, while HDR (Radiance HDR 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.

EXR Converter

Convert from EXR

HDR Converter

Convert from HDR

File Tools

Compress, resize, merge

Convert to EXR

All sources → EXR

Convert to HDR

All sources → HDR

Format Statistics

Trends & data 2025

More Format Comparisons

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