Lock Worlds
Lock Worlds adds a simple lock to your Minecraft worlds, preventing accidental deletion with a clean vanilla-style touch.
- Loaders
- FabricForge
- Downloads on Modrinth
- 309
- Followers on Modrinth
- 2
- versions
- 5
- Updated
- October 6, 2026Oct 6
- Published
- in 2026
At a glance
Install in the game only; not needed on the server
Keep your favorite worlds safe with Lock Worlds, a lightweight Minecraft mod designed to protect important saves from accidental deletion. With a small lock icon added to the world list, you can instantly mark any world as locked and make sure it stays there. No more worrying about misclicks, rushed cleanup, or losing a world you meant to keep.
The mod blends naturally into the vanilla world selection screen, keeping the experience familiar while adding an extra layer of safety. Locked worlds are easy to identify at a glance, and the protection feels smooth, simple, and unobtrusive.
Perfect for survival worlds, long-term projects, adventure maps, and anything you never want to lose by mistake. Lock Worlds keeps your progress secure, so your worlds stay safe even when your clicks are not.

FAQ
How to install Lock Worlds?
Install Fabric for your Minecraft version, download Lock Worlds 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 Lock Worlds support?
Lock Worlds has builds for Minecraft 26.1–26.3.
Is Lock Worlds needed on the server?
Client only — no need to install it on the server