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Why convert ICO to PGX?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the ICO format
ICO — Windows Icon
ICO is the standard icon format for Windows, storing one or more images at different resolutions within a single file. Modern ICO files can contain high-resolution PNG-compressed images alongside traditional BMP frames for compatibility across all Windows versions.
Common uses
- Windows application and file type icons
- Website favicon (favicon.ico)
- Windows shortcut and executable icons
- Cross-resolution icon sets for Windows UI
About the PGX format
PGX — JPEG 2000 VM Format
PGX is a simple raster image format used as a reference format in the JPEG 2000 verification model (VM). It stores single-component (grayscale) or multi-component images and is used in JPEG 2000 codec testing and validation environments.
Common uses
- JPEG 2000 codec testing and validation
- Reference image storage for compression research
- Multi-component image interchange in codec development
- Converting PGX test images to viewable formats
Related conversions
Other conversions available for ICO and PGX files
Frequently asked questions
How do I convert ICO to PGX?
Upload your ICO file above, choose PGX as the output format, then click Convert. Your PGX file is ready to download in seconds — nothing to install, and it works in your browser.
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.
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