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.
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.
Starting with the bottom hinge remove the hinge screws on the door first and insert the shim between the hinge leaf and the door.
Remove the frame screws from the hinge you identified but leave the.
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.
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.
This will shift the top half of the door upward.
Http bit ly frostkingcornerguards ks door corner seals white.
If that doesn t work shim the hinge side.
Frost king corner guards.
Open the door and place a support or wooden wedge under the door to relieve tension.