This exposes the hidden structure.
These tools expose the structure behind something that usually gets judged by eye: line length, hierarchy, wrapping, spacing or fit.
Social & Ad Sizes
Platform File Checker.
Inspect a file’s size and type before uploading it to a platform.
1 Choose2 Check3 See answer
Useful to know
Four things worth knowing.
Neat maths can still look wrong.
The mathematically neat answer can still look wrong. Typography and layout have an optical component that a counter cannot see.
Check it where people see it.
Preview it at phone size and keep important text, faces and logos away from platform UI and edges.
Optical judgement still matters.
Judge the result at its final size. A headline that works in a desktop editor can fall apart on a phone or projected slide.