SSC photo and signature size
SSC application forms ask for a recent JPG photograph around 20–50 KB and a signature strip around 10–20 KB. Pick the asset below and the target is set for you.
Photograph: JPG, 20–50 KB, roughly 2.5×3.5 cm
Limits differ between notifications — check the numbers on your own SSC notice and change the target above if they differ.