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PGX at a glance
PGX
Convert PGX files with ConverterHQ using workflows tuned for image compatibility, predictable output, and practical downstream use.
Category
Image
Extensions
.pgx
MIME types
image/vnd.jpeg2000
Created
2000
Inventor
ISO/IEC (JPEG 2000 committee)
Status
active
XPM at a glance
XPM
Convert XPM files with ConverterHQ using workflows tuned for image compatibility, predictable output, and practical downstream use.
Category
Image
Extensions
.xpm
MIME types
image/x-xpixmap
Created
1989
Inventor
Daniel Dardailler, Colas Nahaboo (Groupe Bull)
Status
legacy
Format comparison
| Feature | PGX | XPM |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 1989 |
| Inventor | ISO/IEC (JPEG 2000 committee) | Daniel Dardailler, Colas Nahaboo (Groupe Bull) |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use PGX
- Your source file is already in PGX.
- Preserve source expectations before exporting to XPM.
- PGX is commonly used in image workflows.
When to use XPM
- Your target workflow expects XPM.
- Improve delivery compatibility with XPM.
- XPM is commonly used in image workflows.
FAQs
Why convert PGX to XPM?
Convert to XPM when maintaining or restoring X11-era icon assets or other historical Unix interface graphics.
It is useful where text-based icon compatibility matters more than modern compression.
What changes when converting PGX to XPM?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting PGX to XPM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.