Is it free to convert between HDR and DDS?

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

.hdr

.dds

HDR vs DDS

Compare Radiance HDR Image and DirectDraw Surface 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

DDS

DirectDraw Surface

DirectDraw Surface (.dds) is a image file format.

.ddsimage

HDR vs DDS: Feature Comparison

Feature	HDR	DDS
Full Name	Radiance HDR Image	DirectDraw Surface
File Extension	.hdr	.dds
Category	image	image
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use HDR vs DDS

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 DDS when you need:

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

Convert Between Them

HDR DDS DDS HDR

Выбрать Файлы

или перетащите файлы сюда

Макс. размер файла: 2 ГБ

Ваши файлы обрабатываются локально в браузере. Ничего не загружается на сервер.

Learn More About These Formats

HDR Converter DDS Converter

Frequently Asked Questions

What is the difference between HDR and DDS?

HDR (Radiance HDR Image) and DDS (DirectDraw Surface) are both image file formats. HDR files use the .hdr extension while DDS uses .dds. They differ in compression, quality, compatibility, and intended use cases.

Can I convert HDR to DDS for free?

Yes! Convert999 lets you convert HDR to DDS 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 DDS?

It depends on your use case. HDR (Radiance HDR Image) may be better for certain workflows, while DDS (DirectDraw Surface) 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

DDS Converter

Convert from DDS

File Tools

Compress, resize, merge

Convert to HDR

All sources → HDR

Convert to DDS

All sources → DDS

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNG PNGvsWEBP JPGvsWEBP SVGvsPNG HEICvsJPG BMPvsJPG TIFFvsJPG GIFvsPNG

Feature

HDR

DDS

Full Name