Script to Download High Quality Youtube mp3 audio from Videos.

youtube2mp3downloader.py

import os
import re
import yt_dlp
from moviepy import AudioFileClip

def sanitize_filename(filename):
    """Remove invalid characters from filename"""
    return re.sub(r'[\\/*?:"<>|]', "", filename)

def download_youtube_as_mp3(url, output_path=".", bitrate="320k"):
    try:
        # Create output directory if it doesn't exist
        os.makedirs(output_path, exist_ok=True)
        
        ydl_opts = {
            'format': 'bestaudio/best',
            'outtmpl': os.path.join(output_path, '%(title)s.%(ext)s'),
            'postprocessors': [{
                'key': 'FFmpegExtractAudio',
                'preferredcodec': 'mp3',
                'preferredquality': bitrate[:-1],  # Remove 'k' from bitrate
            }],
            'quiet': True,
        }
        
        with yt_dlp.YoutubeDL(ydl_opts) as ydl:
            info = ydl.extract_info(url, download=False)
            print(f"Downloading: {info['title']}...")
            ydl.download([url])
            
            # Find the downloaded file
            original_filename = ydl.prepare_filename(info)
            mp3_filename = os.path.splitext(original_filename)[0] + '.mp3'
            mp3_filename = sanitize_filename(mp3_filename)
            
            print(f"Successfully downloaded and converted to MP3 ({bitrate}): {mp3_filename}")
            return mp3_filename
            
    except Exception as e:
        print(f"An error occurred: {e}")
        return None

if __name__ == "__main__":
    # Get YouTube URL from user input
    youtube_url = input("Enter YouTube URL: ").strip()
    
    # Ask for output directory (optional)
    output_dir = input("Enter output directory (press Enter for current directory): ").strip()
    if not output_dir:
        output_dir = "."
    
    # Download and convert
    download_youtube_as_mp3(youtube_url, output_dir)

To install plugins, run below script in elevated Powershell.

Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))

Then,

 choco install ffmpeg -y