What WorldEdit Does and How to Install It
WorldEdit is a tool that lets you select, copy, paste, and reshape large areas of your Minecraft world without placing blocks one at a time. Instead of clicking hundreds of times to build a wall or clear terrain, you draw a rectangular selection and explore changes to the whole area at once. It works in both single-player and multiplayer servers, though multiplayer requires server-side installation.
To use WorldEdit on your own world, you need two things: the WorldEdit mod itself and a mod loader. Most players use Fabric or Forge as their mod loader — Fabric is lighter and faster, while Forge is more widely compatible with other mods. read the WorldEdit file that matches your Minecraft version and mod loader from the official CurseForge or Modrinth website, then place it in your mods folder. Restart Minecraft, and WorldEdit will be ready to use.
If you are playing on a server, ask the server owner whether WorldEdit is installed. If it is, you do not need to install anything on your own computer — the server handles it. You will only need the right permissions to use the commands.
Key Takeaways
- WorldEdit uses two-point selections to define rectangular areas, and you create them by left-clicking and right-clicking with a wooden axe.
- The most common commands are //set to fill an area with one block type, //replace to swap one block for another, and //copy and //paste to duplicate structures.
- You can undo mistakes with //undo, and the undo history persists even if you close and reopen your world.
- WorldEdit works differently on servers — you need permission from the owner, and large operations may be restricted to prevent lag.
Making Your First Selection with the Wooden Axe
Every WorldEdit operation starts with a selection. To make one, you need the WorldEdit wand, which is a wooden axe. When you first load WorldEdit, you may already have one in your inventory. If not, type //wand into the chat and press Enter — a wooden axe will appear in your inventory.
Hold the wooden axe and left-click on one corner of the area you want to select. This sets your first point. Then right-click on the opposite corner — the point that is farthest away diagonally. WorldEdit will highlight the rectangular area between those two points with a glowing outline. The chat will tell you how many blocks are in your selection. You can adjust either point by clicking again, and the selection updates when ready.
The selection is always a rectangular box, even if you click on points at different heights. If you want to select only a flat area on the ground, make sure both clicks are at the same height. If you want to select a tall column, click on the ground and then high in the air above the same horizontal spot.
Filling, Replacing, and Clearing Blocks
Once you have a selection, the simplest command is //set followed by a block name. For example, //set stone fills your entire selection with stone. Type //set dirt and every block in the selection becomes dirt. This works when ready, no matter how large the area is.
To replace one block type with another without touching the rest, use //replace. The command is //replace [old block] [new block]. For instance, //replace grass_block stone turns every grass block in your selection into stone, leaving dirt, water, and everything else unchanged. This is useful when you want to swap materials in a structure you have already built.
To clear an area completely, use //set air. This removes every block in your selection and leaves only empty space. Be careful with this command on large selections — it happens when ready and cannot be undone by Minecraft's normal undo button. However, WorldEdit keeps its own undo history, so you can type //undo to reverse it.
Copying and Pasting Structures
WorldEdit can duplicate any structure you have built. First, select the area containing the structure using the wooden axe, just as you would for filling or replacing. Then type //copy. WorldEdit saves that selection to memory — you do not see anything happen, but the structure is now stored.
Move to a different location and left-click with the wooden axe on the spot where you want the copy to appear. This becomes your paste point. Type //paste, and the structure appears when ready. The pasted copy is placed relative to where you clicked — if you clicked on the ground, the structure pastes with its bottom at ground level.
You can paste the same structure as many times as you want without copying again. Move to a new location, click with the axe, and type //paste again. This is much faster than building the same thing multiple times by hand. If a paste goes wrong, use //undo to remove it and try again.
Rotating and Flipping Pasted Structures
Sometimes you want a pasted structure to face a different direction. Before you paste, type //rotate 90 to turn the structure 90 degrees. You can use 90, 180, or 270 degrees. The structure rotates around its center point, so the result may not land exactly where you expect — you may need to paste and then move it by hand, or try different rotation values.
To flip a structure horizontally or vertically, use //flip followed by a direction. For example, //flip north mirrors the structure along a north-south line. This is useful for creating symmetrical buildings or reversing the direction a structure faces. Like rotation, flipping happens before you paste, so type the command, then move to your paste location and type //paste.
If a rotation or flip does not look right, undo it with //undo and try a different value. There is no penalty for experimenting — every action can be reversed.
Undoing Mistakes and Understanding Limits
WorldEdit keeps a history of every operation you perform. If you make a mistake — filling the wrong area, pasting in the wrong spot, or rotating something backwards — type //undo to reverse it. You can undo multiple times in a row to go back several steps. The undo history is saved even if you close Minecraft and reopen your world, so you can undo changes from your last session.
On multiplayer servers, the server owner may set limits on how large a selection can be or how many blocks you can change at once. These limits prevent lag and protect the server from accidental damage. If you try to fill a selection that is too large, the server will tell you the operation is too big and refuse to do it. You can make a smaller selection and try again, or ask the server owner to increase your limits if you have permission.
Single-player worlds have no built-in limits, but very large operations (filling millions of blocks at once) can cause lag or even crash your game. Start with smaller selections and work your way up to larger ones as you get comfortable with the tool.
Common Commands Quick Reference
Here are the commands you will use most often. Type them into the chat and press Enter:
| Command | What It Does | Example |
|---|---|---|
| //wand | Gives you the wooden axe for making selections | //wand |
| //set | Fills your selection with one block type | //set stone |
| //replace | Swaps one block type for another in your selection | //replace dirt grass_block |
| //copy | Saves your selection to memory | //copy |
| //paste | Places the copied structure at your click point | //paste |
| //undo | Reverses your last operation | //undo |
| //rotate | Turns a copied structure before pasting | //rotate 90 |
| //flip | Mirrors a copied structure before pasting | //flip north |
Frequently Asked Questions
Can I use WorldEdit on a server I do not own?
Only if the server owner has installed WorldEdit and given you permission to use it. Ask the owner or a moderator whether the tool is available. If it is, they will tell you which commands you can use — most servers restrict WorldEdit to admins and builders to prevent griefing.
What happens if I paste a structure outside the world border?
The paste will fail or only partially complete, depending on how far outside the border you are. The blocks that land outside the border straightforward do not appear. Move your paste point closer to the center of the world and try again.
Can I select an area that is not rectangular?
WorldEdit only supports rectangular selections. If you need to select a circular or irregular shape, you can use other mods like WorldGuard or select multiple overlapping rectangles and perform operations on each one separately.
Does WorldEdit work in the Nether or the End?
Yes. WorldEdit works in any dimension — the Overworld, the Nether, and the End all support the same commands. Your selection and undo history carry across dimensions, so you can copy something from the Overworld and paste it in the Nether without any extra steps.
How do I know which block names to use in commands?
Minecraft block names use underscores instead of spaces — for example, grass_block, dark_oak_wood, and crying_obsidian. If you are unsure of a block's name, hold it in your hand and look at the tooltip, or check the Minecraft wiki. WorldEdit will tell you if a block name is wrong.