General
Modern Transparent Overlay
Sleek, frameless window floating above your desktop or games, supporting opacity control and smart positioning.
Python 3.10+
GSMTC
LRCLIB
STZ Lyrics Overlay
A synced-lyrics overlay for Windows, rebuilt in Python and independent from Rainmeter. It uses GSMTC to detect the current media session and LRCLIB to fetch lyrics when available.
Module 01
Automatic GSMTC Detection
Natively syncs with the Windows Global System Media Transport Controls (GSMTC), tracking tracks from Spotify, YouTube, and browsers.
Module 02
Presets & Advanced Customization
Quickly switch between various pre-configured aesthetic styles, dynamically changing font colors, opacities, and layouts.
Module 03
Quick Control & Offline Cache
Manage all configurations and shortcuts via the system tray icon, with automatic lyric caching for offline use.
Key Features
Transparent Overlay
Frameless transparent window with click-through support, optional snap to screen edge/taskbar, and always-on-top mode.
GSMTC + LRCLIB Sync
Reads the Windows media session (GSMTC) and fetches lyrics from LRCLIB, with incremental synchronization when synced LRC lyrics are available.
Tray Controls
System tray icon with quick actions to show/hide the overlay, toggle click-through, reload lyrics/config, and open the cache folder.
Presets and Context
Supports layout presets such as Context (2+2), with per-preset preferences for position, lyric color, always-on-top, and animation.
Timeline Smoothing
A local smoothing clock reduces jitter/freezes reported by some players and improves lyric/UI timing fluidity.
Local Cache + Startup
Persistent LRU lyrics cache with index.json, local logs/cache folders, and an optional Start with Windows setting.
Technical Specs
Current Version
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Platform
Windows 10/11
Language
Python 3.10+
Media Session
GSMTC
API
LRCLIB
License
GPL-3.0 License