It runs entirely in your browser (client-side). No schematic file is ever uploaded to a server – it’s processed locally. You can even disconnect from the internet after the page loads.
The converter tool demonstrated excellent performance and accuracy in our testing. Schematic files were converted quickly and accurately, with minimal loss of data or structural integrity. schematic file to litematica converter link
Litematica supports large schematics, but loading them may lag. Use inside Litematica to split the build into smaller parts. It runs entirely in your browser (client-side)