RealSnag Media Downloader

A cross-platform media downloader built with Avalonia UI and yt-dlp.

Features

• Download video (MP4) and audio (MP3) from supported sites
• Quality selection — choose 4K, 1080p, 720p, or best available
• Video trimming — cut start/end times before downloading
• Automatic metadata fetching with thumbnail preview
• Progress tracking with real-time log output
• User-configurable download directory
• Bundled yt-dlp with auto-update from GitHub releases
• Multi-language support (English / German)
• Dark / Light theme
• Cross-platform: Windows, macOS (Intel & Apple Silicon), Linux

Download

Grab the latest release for your platform from the Releases page. Extract and run — no installation required.

Platform	File
Windows x64	win-x64.zip
macOS Intel	osx-x64.zip
macOS Apple Silicon	osx-arm64.zip
Linux x64	linux-x64.zip

The app is self-contained — .NET runtime and yt-dlp are bundled.

macOS users: After extracting, you may need to remove the quarantine flag:

chmod +x realsnag-media-downloader
xattr -cr realsnag-media-downloader

ffmpeg is required for merging video+audio streams (4K, 1080p, etc.). Install via your package manager:

• macOS: brew install ffmpeg
• Linux: sudo apt install ffmpeg (or equivalent)
• Windows: ffmpeg.org/download or choco install ffmpeg

Usage

1. Paste a media URL
2. Select format (MP4 / MP3) and quality
3. Optionally enable video trimming with start/end times
4. Click Download

Files are saved to ~/Downloads by default. Change the path via the Browse button or in Settings.

Development

Prerequisites

• .NET 10.0 SDK

Build & Run

dotnet restore
dotnet run

Cross-platform publish

dotnet publish -c Release -r osx-arm64 --self-contained true -o ./publish/osx-arm64
dotnet publish -c Release -r win-x64 --self-contained true -o ./publish/win-x64
dotnet publish -c Release -r linux-x64 --self-contained true -o ./publish/linux-x64

Tech Stack

• Avalonia UI 11.3.7 — cross-platform .NET UI framework
• Semi.Avalonia — modern theme
• yt-dlp — media downloader (MIT licensed, bundled)
• CommunityToolkit.Mvvm — MVVM helpers

License

Copyright (c) 2026 Realgar. Licensed under the MIT License.

This project is for educational purposes. Please respect the terms of service of the platforms you download from.