Custom nether portal size

Removes Nether portal size restrictions. Build them from 2x3 up to nearly infinite!

1.8K Downloads

fabricgame-mechanics

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About this Mod

Custom Portal Size

A lightweight Fabric mod that removes the restrictive vanilla limits for Nether Portals.

Features:
Maximum size: Extends the limit from 21 blocks to 2,000,000 blocks.
Server-side & Client-side: Required on both for correct logic.

Available Versions

Custom nether portal size 3.0.0release

MC 1.21.11fabric

February 3, 2026

How to Install Custom nether portal size 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 (1.21.11).

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Custom nether portal size 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 (1.21.11). You can switch loaders with one click in the panel.

Is Custom nether portal size compatible with fabric?

Custom nether portal size officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Custom nether portal size – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Custom nether portal size 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.