Convert JP2 to ICO
Free, fast and secure — convert JP2 to ICO right in your browser.
Move your JP2 into a lossless ICO
Converting JP2 to ICO lifts your file into a format that keeps every detail intact — ready for editing, archiving or high-quality output.
How to convert JP2 to ICO
- 1 Drop your JP2 file into the converter above.
- 2 It is converted to ICO automatically — no settings to fiddle with.
- 3 Download your new ICO file instantly.
JP2 vs ICO
| Feature | JP2 | ICO |
|---|---|---|
| Compression | Lossy | Lossless |
| Transparency | Yes | Yes |
| Animation | No | No |
| Type | Raster | Raster |
| MIME type | image/jp2 | image/x-icon |
| Best for | Archival, medical and cinema imaging — converted to JPG or PNG for everyday sharing. | Website favicons and Windows app icons — usually made from a PNG or SVG. |
About the formats
JPEG 2000
JP2 (JPEG 2000) is an advanced image format offering both lossy and lossless compression with better quality than classic JPEG. It is used in archiving, medical imaging and cinema, but has limited everyday support.
Strengths
- Better quality than JPEG at the same size
- Lossless and lossy modes
- Strong for archival and medical imaging
Limitations
- Almost no browser support
- Limited consumer-app support
- Slower to encode/decode
Best for: Archival, medical and cinema imaging — converted to JPG or PNG for everyday sharing.
Icon (ICO)
ICO is the Windows icon format, used for app icons and website favicons. A single ICO file can bundle several sizes so the right one is shown at each scale.
Strengths
- The standard for website favicons
- Bundles multiple sizes in one file
- Supports transparency
Limitations
- Tiny dimensions only
- Not for general photos
- Limited editor support
Best for: Website favicons and Windows app icons — usually made from a PNG or SVG.