If the hinges are fine you may need to take the door off and re square it from scratch.
Fix gap on side of door between lock and door.
Door sweeps reinforce the seal between the bottom of the door and the door jamb meaning you get extra protection from dirt bugs moisture and wind.
Place the shims between the hinge leaf and door at the bottom and middle hinges.
Remove the trim and cut the nails holding the frame to the studs.
If the screws are loose in the casing replace them with larger ones to create a tighter fit.
Starting with the bottom hinge remove the hinge screws on the door first and insert the shim between the hinge leaf and the door.
Door clearance is too tight at the top lock side of the opening.
If the gap along the latch side of your door is allowing unwanted air to infiltrate your space or letting expensive heat or cooled air out weatherstripping can help reduce or eliminate this space.
Open the door and place a wooden block or hardback book under the outer corner of the door to hold it in place while you work.
If that doesn t work shim the hinge side.
A gap between the bottom of the front door and the threshold is easily fixed with a door sweep.
This will shift the top half of the door upward.
Frost king corner guards.