YukiOS Features - Desktop Environment in Your Browser

YukiOS is a full browser-based desktop environment with a tiling window manager, Mac desktop mode, 2900 free games, a terminal with Python and Git, retro emulators for DOS/Flash/x86/3DS, and 90+ built-in apps - all running directly in your browser with no installation.

Launch YukiOS

90+Built-in Apps

3,700+Free Games

40+Themes

4Desktop Modes

6Emulators

Desktop & Window Management

Full Desktop Experience

Complete desktop environment with draggable resizable windows, window snapping, multiple workspaces, taskbar with live previews, system tray, and start menu.

Mac Desktop Mode

macOS-style desktop with top menu bar, animated fisheye dock, Control Center tray, Launchpad app grid, and traffic light window buttons.

Tiling Window Manager

Hyprland-inspired BSP tiling with keyboard-driven layout management. 9 independent workspaces, live config editing, gap control, and floating window support.

3D Room Mode

Interactive first-person 3D room built with Three.js. Browse holographic app launcher, arrange furniture, grab physics-based game cases, and launch games directly from the room.

Productivity & Development

Browser Terminal

Unix-like shell with Python REPL, Node.js REPL, and complete Git integration. Multiple tabs, pipeline support, reverse search, and WASM terminal apps.

Persistent File System

IndexedDB-based file manager with drag-and-drop uploads, ZIP and 7z extraction, file previews for images video PDF code and markdown. Mount external folders and set wallpapers.

90+ Built-in Applications

Terminal with Python REPL via Pyodide, Node.js REPL via WebContainers, and full Git integration. Code editor with Monaco/VS Code, media player, web browser with Tor, office viewer, weather, and system settings.

Command Palette

Press Ctrl+K or F1 to search apps, files, and system commands. Quick actions for wallpaper, themes, DND, workspace switching, and more. Built-in calculator and unit converter.

Gaming & Emulation

3,700+ Free Games

Play thousands of browser games from every genre. Includes retro emulators for DOS via JsDos, Flash via Ruffle, x86 via Virtual86, and 3DS via Azahar. Steam-like launcher with overlay, achievements, and playtime tracking.

System & Customization

Audio Mixer & System Sounds

Per-app volume control with live waveform visualizer, master volume and mute toggle, system sounds for common actions, and tray icon with scroll-to-adjust.

User Accounts & Multi-Profile

Create multiple user profiles with custom nicknames, avatars, and desktop configurations. Lock screen with idle timeout, session switching, and per-profile wallpaper and theme persistence.

Theme System

40+ theme presets with custom theme support, light and dark modes, and transparency toggle. 400+ animated wallpapers with customizable Vanta.js support in wallpaper engine.

90+