YourClips- Clipboard Protector 4+

clipboard privacy can be protect.

copy as normal, let YourClips do paste.
New Global ShortCuts:
'Option + V' Paste protected content directly
'Option + Space' Search selected text with SpotLight
'Option + D' Search the selected text with the second engine
'Option + A' Search the selected text with All three method(SearchEngine1 + SearchEngine2 + SpotLight)

Global ShortCuts：
'Command+C': Copy text
'Option+S': Copy text and Search it
'Shift+Command+V': Active YourClips App
In YourClips ShortCuts：
'S': Search Selected item
'Q': Hide app window
'X': Delete selected item
'1-9'： Paste item on next active app
'Enter': Paste selected item on next active app