From Just Solve the File Format Problem
Synthetic Arts is a graphics program for the Atari ST.
Files are exactly 32038 bytes long.
From the Atari Forum Wiki page (see #Links):
Synthetic Arts *.SRT Images are always uncompressed ST medium resolution. 32000 bytes image data 1 word ? 1 word ? 1 word ? 16 words palette ----------- 32038 total total for file Note: This description is only relavant to Synthetic Arts version 1 as later versions abandoned ST medium resolution in favor of ST low resolution and existing image formats.