Different kinds of files
An image stores pixels; an audio file stores a sound waveform. Neither contains the other, so no tool can turn a picture into a sound recording.
Looking to turn a SUN into MP3? Here's the honest answer — and the conversions that actually work.
Turn your file into a share-worthy AI Effect — one tap, no prompts.
SUN is the Sun Raster image format from Sun workstations, functionally the same as RAS and found in older Unix software.
SUN opens in GIMP, ImageMagick and IrfanView; convert to PNG/JPG for everyday viewing.
MP3 is the universal compressed audio format, balancing small size with good quality.
MP3 plays in every media player and browser.
No. Images and audio are fundamentally different, so there's nothing to convert. You can convert your SUN to PNG, JPG or TIFF instead.
Maybe a video or slideshow with audio — use a video tool. A SUN image can't hold sound.
SUN converts cleanly to PNG, JPG or TIFF — free, no sign-up, no watermark.