What this is actually doing.
This is the focused version of “Logo position checker”: do the one job, inspect the result, and move on without opening a full editor.
Social & Ad Sizes
Check where the logo sits.
Overlay a logo, choose a corner and adjust the edge margin before export.
1 Choose creative2 Add logo3 Check position
Useful to know
Four things worth knowing.
Where it stops.
It solves the named job, not every problem around it.
What to inspect.
Preview it at phone size and keep important text, faces and logos away from platform UI and edges.
Worth knowing.
Keep the original until the finished result has worked in the place you made it for.