WorldPupa - Simple Dimension Conversion

Converting Bukkit || Spigot || Paper dimensions (which are stored in their own folders) back to Vanilla format for use with Fabric server. Supports 1.15.1 and higher

Just drop the mod in mods folder of the server.

And remove it on next server run.

Make a backup first!

If anything goes wrong, you can at least restore it. Better than nothing, right?