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Overview

LastWave Desktop is a fast, native desktop YouTube Music client with modern WinUI styling for Windows, Linux, and macOS. It delivers high-fidelity audio playback and a fluid interface that adapts to your music.

For audio lovers, LastWave Desktop packs Bit-Perfect audio output, Lossless FLAC addon support, 15-band parametric equalizer, smooth Automix transitions, Spotify Canvas & integration, and real-time synchronized lyrics, all in a lightweight desktop application.

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Features

Playback Stream any track or video from YouTube Music Background audio playback & system media controls High-res audio downloads with embedded metadata & .lrc lyrics Download & cache for offline listening Skip silence & sleep timer	Audio Bit-Perfect audio output (direct hardware bypass) Lossless FLAC addon support (up to 24-bit Hi-Res) 15-band Parametric Equalizer & AutoEQ presets Smart Automix transitions & smooth crossfade Audio normalization (ReplayGain / LUFS) Real-time tempo & pitch control
Lyrics & Discovery Live millisecond-synchronized lyrics (LRCLIB) Lyrics romanization for non-Latin scripts (Japanese, Korean, etc.) Multi-language lyrics translation Spotify Canvas & animated video backgrounds Personalized quick picks, mood radios & genre discovery Search songs, albums, artists, videos, and playlists	Library & Account Full library management & offline cached library Spotify Integration (Account login, Liked Songs sync & deep links) Import public playlists from Spotify & Apple Music YouTube Music account login & bidirectional sync Local & cloud playlists with custom reordering Custom audio tag editing & cover art selection
Social Listen together with friends in real-time Built-in Last.fm scrobbler with background tracking Safe Discord Rich Presence with live album art Export and share lyrics as aesthetic quote cards	Interface Clean WinUI & Fluent design interface Real-time acrylic blur and backdrop refraction Dynamic color theming + preset palettes Light, Dark, and Pure Black modes Global media hotkeys & mini-player

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Getting Started

Installation

Channel	Source	Compatibility
Windows	GitHub Releases	Windows 10 & 11 (.exe / .msix installer)
Linux	GitHub Releases	AppImage / Flatpak / deb packages
macOS	GitHub Releases	Apple Silicon & Intel (.dmg)
Android App	LastWave-Native	Official mobile client for Android devices

Quick Setup

1. Download and run the installer for your operating system.
2. (Optional) Navigate to Settings → Audio to configure:
   • Bit-Perfect Output: Enable exclusive output mode for bit-perfect audio.
   • Equalizer Presets: Apply parametric EQ curves or headphone correction.
   • Lossless Addons: Enable the modular addon service for Hi-Res FLAC playback.
3. Start streaming music, exploring smart radios, and enjoying synced lyrics!

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Building from Source

Prerequisites

• Flutter SDK: Version 3.13+ or higher
• C++ Build Tools: Visual Studio (Windows), build-essential (Linux), or Xcode (macOS)

Build Instructions

# Clone the repository
git clone https://github.com/Clash-Projects/LastWave-Desktop.git
cd LastWave-Desktop

# Install dependencies
flutter pub get

# Build release executable for your platform
flutter build windows --release   # Windows
flutter build linux --release     # Linux
flutter build macos --release     # macOS

[!TIP] For local development and hot reload, connect your target environment and run flutter run -d windows (or -d linux / -d macos).

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Support the Project

If LastWave has been useful to you, consider supporting its development.

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Acknowledgements

LastWave Desktop is made possible thanks to these open-source projects:

• media_kit — Audio playback engine powered by libmpv
• Limusic — InnerTube client registry & stream resolution fast path
• LRCLIB — Real-time millisecond-synchronized lyrics database
• NewPipe — Signature decipher patterns & extraction logic
• fluent_ui — WinUI & Fluent design system for desktop

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Contributors

LastWave wouldn't be possible without our incredible community of contributors. Thank you for making it better every day!

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Disclaimer

LastWave is an open-source, non-commercial application developed strictly for educational and research purposes.

• No Affiliation: This project is not affiliated with, funded, authorized, endorsed by, or in any way associated with Google LLC, YouTube, YouTube Music, Spotify, Apple Inc., Last.fm, or any of their subsidiaries.
• Content Delivery: LastWave does not host, store on private servers, or distribute copyrighted media. All playback streams and metadata are resolved directly from public endpoints.
• Trademarks: All product names, logos, trademarks, and registered trademarks belong to their respective owners.