View world properties such as name, version, revision, width, height, moon phase, orbs broken, altars smashed, etc.View the location of NPCs such as Merchant, Mechanic, Arms Dealer, etc.View the world's spawn and dungeon locations.Find and highlight biomes such as Corruption, Crimson, Hallow, Spider Nests, Floating Islands, etc.Find and highlight ores, items in chests, Enchanted Swords, Shark Statues, Strange Plants, etc.Interactive, smooth pan and zoom using the mouse.Open your Terraria world files by browsing to the.Completely client-side JavaScript, meaning your Terraria worlds are not uploaded to any server.Cross-platform, supports any modern browser on Windows, MacOS, and Linux.Completely read-only, making it completely safe to use, with no risk of corrupting or overwriting your world files.