Material Replacer

Replaces materials in an area.

62 Downloads

fabricutility

Rent Server with this Mod

Screenshots

About this Mod

A mod that adds a command /rem to replace material in an area.

For example: /rem 0 0 0 11 45 14 oak spruce replaces all oak blocks in this range into spruce blocks and keep their blockstates (facing direction, waterlog, etc.) as much as possible.

Regular Expressions are supported. for example, /rem 0 0 0 11 45 14 "black|blue" white replaces all black or blue dyed block into white version.

Available Versions

Material Replacer 1.0.1release

MC 1.21.1fabric

October 2, 2025

Material Replacer 1.0release

MC 1.21.1fabric

September 27, 2025

How to Install Material Replacer on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).

Install Mod

Open the mod browser in the dashboard and search for "Material Replacer". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Material Replacer server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.

Is Material Replacer compatible with fabric?

Material Replacer officially supports fabric for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Material Replacer – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Material Replacer consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.