Is it free to convert between EXR and DDS?

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

.exr

.dds

EXR vs DDS

Compare OpenEXR Image and DirectDraw Surface formats — understand the key differences and when to use each

Format Overview

EXR

OpenEXR Image

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

.exrimage

DDS

DirectDraw Surface

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

.ddsimage

EXR vs DDS: Feature Comparison

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

When to Use EXR vs DDS

Use EXR when you need:

•Files in OpenEXR 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

EXR DDS DDS EXR

选择文件

或将文件拖放到此处

最大文件大小：2GB

您的文件在浏览器中本地处理，不会上传到任何服务器。

Learn More About These Formats

EXR Converter DDS Converter

Frequently Asked Questions

What is the difference between EXR and DDS?

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

Can I convert EXR to DDS for free?

Yes! Convert999 lets you convert EXR 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, EXR or DDS?

It depends on your use case. EXR (OpenEXR 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.

EXR Converter

Convert from EXR

DDS Converter

Convert from DDS

File Tools

Compress, resize, merge

Convert to EXR

All sources → EXR

Convert to DDS

All sources → DDS

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNG PNGvsWEBP JPGvsWEBP SVGvsPNG HEICvsJPG BMPvsJPG TIFFvsJPG GIFvsPNG

Feature

EXR

DDS

Full Name