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HomeICO vs EXR
.ico
.exr

ICO vs EXR

Compare Icon File and OpenEXR Image formats — understand the key differences and when to use each

Format Overview

ICO

Icon File

ICO (Icon) is a file format used for icons in Microsoft Windows. ICO files can contain multiple sizes and color depths in a single file, typically including 16×16, 32×32, 48×48, and 256×256 pixel variants. The 256×256 size uses PNG compression. ICO is also used for website favicons (favicon.ico) displayed in browser tabs. Converting PNG to ICO is a common task for web developers and software creators.

.icoimage

EXR

OpenEXR Image

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

.exrimage

ICO vs EXR: Feature Comparison

FeatureICOEXR
Full NameIcon FileOpenEXR Image
File Extension.ico.exr
Categoryimageimage
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use ICO vs EXR

Use ICO when you need:

  • •Files in Icon File 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

ICO EXREXR ICO
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Learn More About These Formats

ICO Converter EXR Converter

Frequently Asked Questions

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

ICO Converter

Convert from ICO

EXR Converter

Convert from EXR

File Tools

Compress, resize, merge

Convert to ICO

All sources → ICO

Convert to EXR

All sources → EXR

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG