MCEF 1.16

MCEF 1.16

MCEF is a mod and library for adding the Chromium web browser into Minecraft.

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forgelibraryutility
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Screenshots

MCEF 1.16 Screenshot 1

About this Mod

MCEF is a mod and library for adding the Chromium web browser into Minecraft.

MCEF is based on java-cef (Java Chromium Embedded Framework), which is based on CEF (Chromium Embedded Framework), which is based on Chromium. It was originally created by montoyo.

MCEF contains a downloader system for downloading the java-cef & CEF binaries required by the Chromium browser.

This library will auto download the latest version of the java-cef binaries required by the browser on the first launch. This requires an internet connection.

Use cases: With this mod you can build any GUI using HTML, CSS, or any of your prefered front end web technologies. For example, those are examples of GUI build with NextJS and TailwindCSS for a mod using this library build for Teras, a sidemod by me for my own Pixelmon server.

Full Screen Pokédex example:
Full Pokédex example
 You can even render it in your hands!
Pokédex in hands
Current Chromium version: 116.0.5845.190

Supported Platforms
Windows 10/11 (x86_64, arm64)*
GNU Linux glibc 2.31 or greater (x86_64, arm64)**

*Some antivirus software may prevent MCEF from initializing. You may have to disable your antivirus or whitelist the mod files for MCEF to work properly.

**This mod will not work on Android.

Available Versions

MCEF 1.16 2.4release
MC 1.16.5forge
August 13, 2025

How to Install MCEF 1.16 on Your Server

1

Order Server

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

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.16.5).

3

Install Mod

Open the mod browser in the dashboard and search for "MCEF 1.16". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.16.5

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

MCEF 1.16 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 (1.16.5). You can switch loaders with one click in the panel.

Is MCEF 1.16 compatible with forge?

MCEF 1.16 officially supports forge for Minecraft 1.16.5. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with MCEF 1.16 – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if MCEF 1.16 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.

Rent Modded Server

Install MCEF 1.16 with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
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Details

License
GNU Lesser General Public License v3.0 or later
Server-side
Unsupported

Supported Versions

1.16.5