WorldEdit is an in-game Minecraft map editor, extremely easy to use and free. Currently, there is WorldEdit for Minecraft 1.17.1 so that all players can freely build their map and magical blocky world.
The combination of commands and “brush” helps you quickly build Minecraft worlds or perform various terrain tasks. Main features of WorldEdit for Minecraft Quickly create, replace or delete thousands of blocks in seconds. No more wasting time doing "useless" activities such as fixing the flow of water... Quickly create basic blocks such as spheres, cylinders, etc. Copy areas, paste them, load them and save as .schematics. Perform cool actions like input math to create terrain. Use the Brush tool to create mountains, ravines… Use the compass to quickly move to areas with the left mouse button or use the /jumpto command. Select a region and instantly restore from backup.