Block Previewer: Reforged

Client-side mod to preview how blocks will be orientated when placed!

129 Downloads

forgedecorationgame-mechanicsutility

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Screenshots

About this Mod

Block Previewer: Reforged

Block Previewer: Reforged is an unofficial Forge port for Block Previewer 2.0.0, please support the original work.

This is a purely client-sided mod, and does not interact the server. Works similarly to Create’s placement preview, but for any block in Minecraft.

Preview blocks before placing!

Required dependency

Cloth Config API

Configuration

Available Versions

Block Previewer: Reforged 2.0.0-forge-1.20.1release

MC 1.20.1forge

March 16, 2026

How to Install Block Previewer: Reforged on Your Server

Order Server

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

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).

Install Mod

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

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.1

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Block Previewer: Reforged server crashes on startup – what to do?

Most common cause: wrong forge 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 (1.20.1). You can switch loaders with one click in the panel.

Is Block Previewer: Reforged compatible with forge?

Block Previewer: Reforged officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Block Previewer: Reforged – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Block Previewer: Reforged 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.