The NBT Editor extension adds a visual NBT file editor inside the panel.

NBT Editor The NBT Editor extension adds a visual NBT file editor inside the Pterodactyl panel. Users with file permissions can browse, edit, and save .nbt, .dat, and .dat_old files directly from the server files. Requirements • Pterodactyl Panel 1.x • Blueprint Framework installed on your panel • SSH/terminal access to your panel server Installation 1. Upload the extension Upload nbtedit.blueprint to your Pterodactyl Panel directory: Code: cd /var/www/pterodactyl You can upload it via SFTP or download it directly to your server. 2. Install the extension Code: blueprint -install nbtedit Wait for the installation to complete. Blueprint will: • Register the NBT editor components • Patch the file manager to recognize NBT files • Rebuild the panel frontend automatically 3. Verify installation • Open your panel in a browser (hard refresh with Ctrl + Shift + R to clear cache) • Go to Admin Panel > Extensions - you should see "NBT Editor" listed • Navigate to any Minecraft server's File Manager • Click on any .nbt, .dat, or .dat_old file - it should open in the NBT editor Supported File Types • .nbt - Standard NBT files • .dat - World/player data files • .dat_old - Backup data files Features • Visual tree editor for all 13 NBT tag types • Inline value editing with type validation • Add, rename, and delete tags • Search/filter tags by name or value • Expand/collapse all nodes • Automatic gzip compression detection and handling • Save directly back to the server Permissions The NBT editor uses the existing file permission (file.*). Any user with file access on a server can use the NBT editor. No additional permissions are required. Uninstallation Code: cd /var/www/pterodactyl blueprint -remove nbtedit Troubleshooting NBT files aren't clickable in the file manager Run the following to rebuild the panel frontend: Code: cd /var/www/pterodactyl yarn build:production php artisan view:clear Then hard refresh your browser (Ctrl + Shift + R). "Page not found" when clicking an NBT file Make sure Blueprint is up to date: Code: blueprint -upgrade Then reinstall the extension: Code: blueprint -remove nbtedit blueprint -install nbtedit Editor loads but shows "Failed to parse NBT file" The file may be corrupted or not a valid NBT file. Try opening a known-good file like level.dat in your world folder. Support If you encounter any issues, please open a ticket on the BuildByBit resource page.