OvercastUI

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OvercastUI

By merenotnooneOwner

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A full web browser overlay inside Minecraft, Steam-overlay style. Browse, read the wiki, or watch video in picture-in-picture without alt-tabbing or pausing draggable tabbed windows, split view, custom themes. Client-side.

Mod Loaders
Minecraft
26.2
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About

Description

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/

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. Press Shift+Tab in-game to open the overlay (rebindable in settings).
  2. Wait 10-15 seconds for Chromium to download (Only on first install)
  3. 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

**Description 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 on your second monitor's worth of screen OvercastUI keeps it all inside Minecraft, no alt-tabbing.