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HomeICO vs JP2
.ico
.jp2

ICO vs JP2

Compare Icon File and JPEG 2000 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

JP2

JPEG 2000

JPEG 2000 (.jp2) is a image file format.

.jp2image

ICO vs JP2: Feature Comparison

FeatureICOJP2
Full NameIcon FileJPEG 2000
File Extension.ico.jp2
Categoryimageimage
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use ICO vs JP2

Use ICO when you need:

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

Use JP2 when you need:

  • •Files in JPEG 2000 format for specific workflows
  • •Optimized image format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

ICO JP2JP2 ICO
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Learn More About These Formats

ICO Converter JP2 Converter

Frequently Asked Questions

What is the difference between ICO and JP2?
ICO (Icon File) and JP2 (JPEG 2000) are both image file formats. ICO files use the .ico extension while JP2 uses .jp2. They differ in compression, quality, compatibility, and intended use cases.
Can I convert ICO to JP2 for free?
Yes! Convert999 lets you convert ICO to JP2 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 JP2?
It depends on your use case. ICO (Icon File) may be better for certain workflows, while JP2 (JPEG 2000) 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

JP2 Converter

Convert from JP2

File Tools

Compress, resize, merge

Convert to ICO

All sources → ICO

Convert to JP2

All sources → JP2

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG