This is the most reliable method, developed by the community to ensure compatibility with modern Litematica versions. It handles block mapping for newer Minecraft versions efficiently.

I can then recommend the most reliable tool or provide step-by-step instructions for your version. Share public link

Use the "Browse" button in the tool to locate your .schematic file.

This is widely considered the most modern and "clean" tool for cross-format conversions.

Litematica allows you to see the hologram of your build before you place it.