If you decide to use the official Universal Minecraft Tool , be aware of its structure: EternalModz/Minecraft-Tools: A helpful list of ... - GitHub

| Issue | Cracked Converter | Legitimate Tool | |-------|------------------|-----------------| | Corrupted chunks | Very common (~40% failure rate) | Rare (<5% with proper settings) | | Lost entities | Almost guaranteed | Occasionally (usually fixable) | | Redstone breakage | Complete failure | Partial (mostly works) | | Colored text/names | Removed entirely | Usually preserved | | Map items | Converted to blank maps | Retains exploration data |