Single track

Playlist

Install

Windows

irm https://ohcass.github.io/music/install.ps1 | iex

Linux / macOS

curl -fsSL https://raw.githubusercontent.com/ohcass/music/main/scripts/install.sh | sh

Build from source

git clone https://github.com/ohcass/music.git
cd music
go build -o radii5 ./cmd/music

Usage

radii5 <url>                                          # default: mp3 audio
radii5 --type video <url>                             # download as mp4 video
radii5 --type video --quality 720 <url>               # 720p video
radii5 --mp4 720 <url>                                # shorthand: 720p video
radii5 --mp4 <url>                                    # video at default quality (1080)
radii5 <url> --format flac                            # audio format
radii5 "https://youtube.com/playlist?list=..."        # playlist (audio)
radii5 --mp4 "https://youtube.com/playlist?list=..."  # playlist (video)
radii5 <url> --threads 16 --workers 6                 # tune performance

Flags

Flag	Default	Description
--format, -f	mp3	Audio format: mp3, flac, m4a, opus, wav
--output, -o	~/Music/radii5 downloads	Output directory
--threads, -t	8	Parallel download chunks
--workers, -w	4	Concurrent playlist download workers
--type	audio	Media type: audio or video
--quality, -q	1080	Video height: 144, 240, 360, 480, 720, 1080, 1440, 2160
--mp4	—	Shortcut for --type video. Optionally followed by quality (e.g. --mp4 720)

To Remove

go to C:\Users%userprofile% and delete radii5.exe in .radii5 or Windows

Remove-Item "$env:USERPROFILE.radii5\bin\radii5.exe"

Linux / macOS

rm ~/.radii5/bin/radii5

Features

• Audio download: Downloads best available audio, converts to MP3 (LAME V2) with metadata tags
• Video download: Downloads best video+audio up to requested quality, merges to MP4
• Playlist support: Concurrent playlist downloads with per-track progress, retry logic, smooth animations
• Fast parallel downloads: Chunked HTTP downloads with byte-level progress tracking
• Cross-platform: Windows, Linux, macOS

Requirements

• yt-dlp (bundled with installer)
• ffmpeg (bundled with installer)

License

MIT