Translation guide
Expresses doing something freely, according to one's own will or desire, without constraint.
The most common way to say 'do as you like' or 'act freely'.
Literally 'in the way you like'. Very common and natural for 'as you please'.
You can do as you please.
Please choose as you please.
Means 'freely'. Often used when giving permission or describing unrestricted action.
Please use it as you please.
You can speak as you please here.
Literally 'as one thinks/feels'. Slightly more literary or emphatic.
I acted as I pleased.
Means 'as one's mood takes one'. Poetic or literary nuance.
I travel as the mood takes me.
When 'as one pleases' implies selfishness or disregard for others.
Means 'selfishly', 'without permission', or 'as one pleases' in a negative sense.
Often carries a negative connotation of doing something without consulting others.
Please don't use it as you please.
Means 'selfishly' or 'willfully', often used for spoiled behavior.
To behave as one pleases (selfishly).
When something is available for someone to use or control freely.
好きなように is neutral or positive (do as you like), while 勝手に implies doing something without permission or consideration, often negative.
You can play as you like.
I got scolded for playing without permission.
The pattern [noun/adjective] + ままに means 'leaving things as they are' or 'according to'. Common with 思う (thoughts), 気の向く (mood), etc.
He always decides as he pleases.