
Modrinth · Minecraft mod
Command Block Editor
Command block editor that lets you edit multiple command blocks at once
Quick answer
Which Command Block Editor release should I use?
Command Block Editor 5.0+1.21.1 targets 1.21, 1.21.1 with Fabric. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Command Block Editor required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Command Block Editor 5.0+1.21.1 need?
5.0+1.21.1. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Command Block Editor without breaking your instance.
Built for Command Block Editor 5.0+1.21.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 5.0+1.21.1. It targets 1.21, 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 5.0+1.21.1. It opens that exact file at the source.
About this project
What does Command Block Editor add?
Command Block Editor
Command Block Editor is a utility mod that makes creating and managing command block systems much faster and more convenient.
Instead of editing command blocks one by one, you can write multiple commands in a single editor and automatically generate complete command block chains.
Perfect for map makers, technical builders, and anyone who works with large command block setups.
Opening the Editor
Press the configured keybind (default: =) to open the editor.
- If you are looking at a command block, the editor will open with that command block's commands loaded.
- Otherwise, a new command block will be created at your current position and opened in the editor.
- Press
Ctrl + Sto save and close the editor.
Editor Syntax
| Syntax | Description |
|---|---|
<number> |
Repeat a command multiple times. |
! |
Make the first command block a repeating command block. |
@ |
Toggle auto mode. On the first command it enables auto mode, on subsequent commands it disables it. |
? |
Make a command block conditional. |
`expression` |
Evaluate a mathematical expression. |
Expressions support:
iiteration index+addition-subtraction*multiplication/division( )parentheses;separates values in a repeating pattern (for example,`1;2`produces1, 2, 1, 2, ...)
Example
Input:
3: say `i+1`
5: say `1;2`
say hi
?: say hi
Output:
say 1
say 2
say 3
say 1
say 2
say 1
say 2
say 1
say hi
say hi (conditional)
Keyboard Shortcuts
| Shortcut | Action |
|---|---|
Ctrl + S |
Save and close the editor. |
Ctrl + U |
Ungroup current line. |
Ctrl + Shift + K |
Delete the current line. |
Alt + ↑ / Alt + ↓ |
Move the current line up or down. |
Alt + Shift + ↓ |
Duplicate the current line. |
Project description from Modrinth.
Pick your setup
Command Block Editor by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader build1.21
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Command Block Editor versions and loaders
5.0+1.21.1
CommandBlockEditor-5.0 1.21.1.jar
4 Sept 2026
4.0+1.21.11
CommandBlockEditor-4.0 1.21.11.jar
8 Jul 2026
4.0+1.21.1
CommandBlockEditor-4.0 1.21.1.jar
7 Jul 2026
3.1
CommandBlockEditor-3.1.jar
25 Jun 2026
3.0
CommandBlockEditor-3.0.jar
7 Jun 2026
2.1
CommandBlockEditor-2.1.jar
4 Jun 2026
2.0
CommandBlockEditor-2.0.jar
3 Jun 2026
1.2
CommandBlockEditor-1.2.jar
1 Jun 2026
1.1
CommandBlockEditor-1.1.jar
31 May 2026
1.0
CommandBlockEditor-1.0.jar
30 May 2026
Looking for an older file? The official Modrinth project page is in Resources.