Description
You don't have to worry about Y coordinate to teleport safely to anywhere. Below commands avoid fall from a high place, suffocation by block, lava, ocean, and void of the end. They are useful to travel randomly.
Commands
/safetp <x> <z>
/safetp return
/xsafetp <dimension> <x> <z>
OtherMOD
Bookmark Waypoints is lightweight waypoints manager.
Requirements
Minecraft forge 1.14.4-28.1.0 later