The following are known Action Replay Codes for Final Fantasy II on Super Nintendo Entertainment System (SNES).

• Cecil gets a large amount of HP. If you need any more then simply change the last 3 in the parameter to a different number.
  7E200803
• Gives Kain a large amount of HP. If you need any more then simply change the last 3 in the parameter to a different number.
  7E208803
• First put an item in the first slot in the item screen. Then cure or heal the middle character. When you do this, the item in the first slot will become another item. Do this and go through all the items in the game till you get what you are looking for.
  01A6F244
• Infinite MP
  038532BD
• Infinite HP
  03CAE6BD
• Tons of items and Experience Points
  03ED4E01
• Gain 65,000 Experience Points after battle plus the normal Experience Points that would have been gained
  03EE21EE
• Infinite Gold
  01C702AD
  01C707AE