Drop your files here
or click to select
Why convert ERF to SUN?
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 ERF format
RAW — Epson ERF RAW
ERF is Epson's proprietary RAW image format used in its R-D1 digital rangefinder cameras. The Epson R-D1 was the world's first digital rangefinder, and ERF files capture its full CCD sensor data for professional post-processing.
Common uses
- Epson R-D1 rangefinder photography
- Street and documentary photography archives
- Collector and vintage digital camera workflows
- Converting rangefinder RAW files to modern formats
About the SUN format
SUN — Sun Microsystems Rasterfile
SUN (also known as RAS) is the native raster image format of Sun Microsystems' SunOS and Solaris operating systems. It was the standard format for screenshots, icons, and general graphics on Sun workstations from the 1980s through the 2000s.
Common uses
- Legacy Sun Microsystems/Solaris graphics
- Converting old Unix workstation images
- Historical software documentation screenshots
- Archival recovery of Solaris-era media
Related conversions
Other conversions available for ERF and SUN files
Frequently asked questions
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.