Pixels and crop are different.
Resize changes pixel dimensions. Crop changes which part of the image survives. Changing aspect ratio often means doing one, the other, or adding empty space.
Type, Layout & Effects
Modular Type Scale.
Generate a simple modular type scale.
1 Enter2 Adjust3 Use result
Input
Answer
16.0px · 20.0px · 25.0px · 31.3px · 39.1px · 48.8px · 61.0px
Base 16px · ratio 1.25
Aa 16.0px
Aa 20.0px
Aa 25.0px
Aa 31.3px
Aa 39.1px
Aa 48.8px
The output gives you seven steps from body size upward.
Useful to know
Four things worth knowing.
It cannot invent the frame.
A new shape cannot reveal content outside the original frame, and enlarging dimensions does not create genuine captured detail.
Check the edges.
Judge it at the size it will actually be used. Typography and spacing are partly optical.
Size for the destination.
Pick the final destination first. A profile photo, print, story and website hero all want different shapes for a reason.