How to convert JPG to RAS
- Add your .JPG file - drop it in the box above or click to browse.
- Convert it to .RAS in a few seconds.
- Download your new .RAS file.
What to expect
- RAS is an obsolete format with limited software support, so it is best used only when a specific legacy tool requires it.
- JPEG compression artifacts are carried into the RAS file unchanged; conversion does not improve fidelity.
- Exif metadata is not preserved in the Sun Raster format.
Frequently asked questions
What is a RAS file and why convert to it?
RAS is the Sun Raster bitmap format from Sun Microsystems' SunOS/Solaris workstations. Converting to it is usually to feed a legacy Unix tool or workflow that specifically expects Sun Raster input.
Does converting JPG to RAS recover any lost quality?
No. RAS stores the same pixels the JPEG already contains, including its compression artifacts. Moving to an uncompressed or RLE format cannot restore detail JPEG discarded.
What can open a RAS file today?
Free cross-platform viewers like GIMP, IrfanView, and XnView open Sun Raster files. The format is obsolete, so most modern photo apps will not recognize it.
Is RAS a good format for everyday storage?
Not really. Because the format is obsolete and poorly supported, PNG (lossless) or keeping the JPG is more practical for general use; RAS makes sense mainly for compatibility with old Sun-era software.
Programs that convert JPG: Xara Page & Layout Designer
