It can be difficult to remember all keyboard shortcuts you use daily in every app.
Store your favourite hotkeys for each app in Shortcut Keeper.
Quickly refer to them when you need.
Keep it in the background while using your apps.
Command-Option-K to bring it forward at any time
and quickly check your saved shortcuts.
If you are using an app for a first time, you need to learn many new keyboard shortcuts to become more efficient.
With Shortcut Keeper, you can:
Especially useful if you are coming to macOS from another OS and want to learn its hotkeys.