CurseForge · Minecraft mod
FilesJS
Allow you to use kubejs for some restrictive operations on files
Quick answer
Which FilesJS release should I use?
FilesJS Files JS-1.21.1-NeoForge-1.0.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 2 required mods have matching files.
Where it goes
Is FilesJS required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does FilesJS Files JS-1.21.1-NeoForge-1.0.jar need?
Files JS-1.21.1-NeoForge-1.0.jar. Change the file and its required mods may change too.
Install KubeJS, Rhino first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
1 extra mod was pulled in by another dependency. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add FilesJS without breaking your instance.
Built for FilesJS Files JS-1.21.1-NeoForge-1.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Files JS-1.21.1-NeoForge-1.0.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install KubeJS, Rhino first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Files JS-1.21.1-NeoForge-1.0.jar. It opens that exact file at the source.
About this project
What does FilesJS add?
This is a plugin mod for kubejs that allows you to perform limited operations on files using kubejs.
The file reading and writing can only be done within the instance folder of Minecraft, and external file contents cannot be accessed.
Write multiple lines
FilesJS.writeLines("kubejs/server_scripts/src/test.js", ["test1,test2,test3"])
Delete file
FilesJS.delete("kubejs/server_scripts/src/test.js")
Event listeners
ItemEvents.rightClicked('nether_star',event=>{
FilesJS.backupFile("kubejs/README.txt")
})
Files.fileBackupCreated(event=>{
event.server.tell("File backup path:",event.getPath())
})
If there are any bugs in this mod, please provide feedback to GitHub issue. here
Due to the fact that this operation can be used with Java reflection in KubeJS, security checks are no longer supported. Please be aware!!! ⚠️
Project description from CurseForge.
Pick your setup
FilesJS by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.4
1 loader build1.21.3
1 loader build1.21.2
1 loader build1.21.1
2 loader builds1.21
1 loader build1.20.6
1 loader build1.20.5
1 loader build1.20.4
1 loader build1.20.3
1 loader build1.20.2
1 loader build1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
FilesJS versions and loaders
Files JS-1.21.1-NeoForge-1.0.jar
11 Jul 2025
Files JS-1.20.1-1.3.jar
2 Mar 2025
Files JS-1.20.1-1.2.3.jar
12 Dec 2024
Files JS-1.20.1-1.2.2.jar
11 Dec 2024
Files JS-1.20.1-1.2.1.jar
10 Dec 2024
1.1
Files JS-1.20.1-1.1.jar
9 Dec 2024
Looking for an older file? The official CurseForge project page is in Resources.