FTB Chunks

FTB Chunks is a utility mod created by FTB Team. Chunk claiming and protection mod that lets players protect their builds, with a built-in minimap and force-loading. As a utility mod it concentrates on quality-of-life and convenience, and it has been downloaded around 45 million times, which puts it among the options players reach for in this space.

FTB Chunks is built for multiplayer groups who want claims and chunk-loading without commands. It provides a map-based claiming system so players can protect their land and force-load chunks through a simple interface. It is approachable enough to drop into a world and use right away, with little setup required.

The mod is available for Forge, Fabric, and NeoForge, so it fits a range of modpacks and launchers. It currently supports Minecraft 1.20.1 and 1.21.1, spanning the 1.20.1 to 1.21.1 releases. It runs on both the client and the server, so on a multiplayer server every player who connects needs it installed alongside the server itself.

FTB Chunks works particularly well alongside FTB Library and Architectury API. It depends on FTB Library and Architectury API, so those must be present and on the same loader and version. Because it ships for both Fabric and Forge-family loaders, it slots into most popular modpacks regardless of which side they are built on.

FTB Chunks has a modest footprint for what it adds and is widely used in modpacks without notable performance concerns.

If you are comparing options, similar mods include Open Parties and Claims and FTB Teams. They cover comparable ground, so the right choice usually comes down to your loader, version, and the rest of your pack.