Shift + F3: Cycle selected text through letter-case styles

Why it helps

Use Shift + F3 to cycle selected text through letter-case styles. Useful in long reports, manuscripts and heavily formatted documents.

How to use it

1. Open the relevant app or terminal.
2. Use the shortcut or command above in the relevant context.
3. Check the result; for commands that change data, test on a small example first.