OvercastUI

A Steam Overlay-style Chromium browser, built into Minecraft. Browse the web without alt-tabbing or pausing your game. Client-side only, Fabric.

Features

 * 🪟 Multiple windows — draggable, resizable, with tab support  * 🌐 Full browser — back/forward/reload/home, address bar, find-in-page, per-tab zoom  * 📺 Picture-in-Picture — videos keep playing after you close the overlay  * 🔲 Split view — two pages side by side  * 🎨 Theming — adjustable opacity and backdrop  * ⌨️ Rebindable hotkey — default Shift+Tab, in-game settings menu  * 💤 Tab suspension — sleeps idle tabs to save resources  * ⏸️ Never pauses your game

How to use

 1. Install Fabric Loader + Fabric API, then drop OvercastUI in your mods folder.  2. Press Shift+Tab in-game to open the overlay (rebindable in settings).  3. Wait 10–15 seconds for Chromium to download (first install only).  4. Enjoy!

Compatibility

 * Loader: Fabric  * Minecraft: 1.21.1, 1.21.11, 26.1, 26.1.1, 26.1.2  * Side: Client only  * Requires: Fabric API

Whether you want an in-game browser to keep a wiki open, a Steam-style web overlay to watch videos while you play, or picture-in-picture for a stream OvercastUI keeps it all inside Minecraft, no alt-tabbing.

🔗 Website & full docs: https://merenotnoonereal.github.io/overcastui/