Schematic: To Litematic
The most effective "conversion" is actually built directly into Litematica . The mod has native cross-version support for the old .schematic format.
If you don't want to load into the game or are having issues with the in-game converter, there are web-based tools available. schematic to litematic
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: Open the Litematica menu (default M key), select Load Schematics , and choose your file. The most effective "conversion" is actually built directly