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World Install Button

Adds a button to the Select World screen to instantly extract and install worlds from your downloads folder.

Fabric
Loaders
Fabric
Downloads on Modrinth
10.1K
Followers on Modrinth
25
versions
9
Updated
August 17, 2026Aug 17
Published
in 2023
File selection screen · swipe

At a glance

Runs on Fabric
For Minecraft 1.20–1.20.2, 1.21–26.2
Client only — no need to install it on the server
Latest version — 1.1.4-26.2 from August 17, 2026
License MIT — free
Where it's needed
In gamerequiredOn servernot needed

Install in the game only; not needed on the server

Game versions1.20–1.20.2, 1.21–26.2

World Install Button

Download on Modrinth

A client-side Fabric mod that adds a button to the Select World screen to instantly extract and install worlds from your downloads folder.

It scans your Downloads directory for valid zip files of Minecraft worlds (that contain a level.dat file) and allows you to select which one to install.

Also lets you export a world in one click from the Edit World screen, outputing a zip directly to your downloads folder.

Config

The directory path is configurable. Edit config/worldinstaller.json.

~ here represents the user home and works on both Windows and Linux.

Default config:

"installDirectory": "~/Downloads",
"exportDirectory": "~/Downloads"

FAQ

How to install World Install Button?

Install Fabric for your Minecraft version, download World Install Button for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does World Install Button support?

World Install Button has builds for Minecraft 1.20–1.20.2, 1.21–26.2.

Is World Install Button needed on the server?

Client only — no need to install it on the server

License and source
MIT Licensefree to use and share with credit to the author
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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