Is it free to convert between ARW and HDR?

Yes, Convert999 is 100% free. All conversions happen locally in your browser with no file size limits, no registration, and no watermarks.

.arw

.hdr

ARW vs HDR

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

Format Overview

ARW

Sony Raw Image

Sony Raw Image (.arw) is a image file format.

.arwimage

HDR

Radiance HDR Image

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

.hdrimage

ARW vs HDR: Feature Comparison

Feature	ARW	HDR
Full Name	Sony Raw Image	Radiance HDR Image
File Extension	.arw	.hdr
Category	image	image
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use ARW vs HDR

Use ARW when you need:

•Files in Sony Raw 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

ARW HDR HDR ARW

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Learn More About These Formats

ARW Converter HDR Converter

Frequently Asked Questions

What is the difference between ARW and HDR?

ARW (Sony Raw Image) and HDR (Radiance HDR Image) are both image file formats. ARW files use the .arw extension while HDR uses .hdr. They differ in compression, quality, compatibility, and intended use cases.

Can I convert ARW to HDR for free?

Yes! Convert999 lets you convert ARW 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, ARW or HDR?

It depends on your use case. ARW (Sony Raw 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.

ARW Converter

Convert from ARW

HDR Converter

Convert from HDR

File Tools

Compress, resize, merge

Convert to ARW

All sources → ARW

Convert to HDR

All sources → HDR

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNG PNGvsWEBP JPGvsWEBP SVGvsPNG HEICvsJPG BMPvsJPG TIFFvsJPG GIFvsPNG

Feature

ARW

HDR

Full Name