RGBO is a raw image format with red, green, blue, and opacity channels.
Sun Raster is an image format from Sun Microsystems workstations.
FreeFileConvert uses tuned encoding for RGBO to SUN conversions, preserving clarity while trimming file size. Finished images open instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload RGBO files from desktop or tablet, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized SUN results on any device you rely on.
Process up to 5 files sized 1024 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent SUN images with dependable progress tracking.
RGBO files store raw pixel data with opacity (inverse of alpha) channel.
Sun Raster files can contain 1, 8, 24, or 32-bit images with optional RLE compression.
Upload your image file in the RGBO format from your device.
Select SUN as the output format and click Convert. Adjust optional settings if needed.
Download the converted image file. Each file stays available for up to 5 downloads.