🎬 YouTube Video Downloader (MP4 + M4A)

This is a Python-based YouTube Video Downloader that allows users to download high-quality MP4 (H.264) video and M4A (AAC) audio formats from YouTube. It utilizes yt-dlp for efficient extraction and downloading while ensuring minimal API calls.

🚀 Features

• Supports 720p, 1080p, 2K, 4K, and 8K resolutions (if available).
• Efficient execution – Fetches video metadata only once to reduce redundant API calls.
• Auto-merging of video & audio formats (into a single MP4 file).
• User-friendly format selection.
• Automatic sanitization of filenames (removes invalid characters).
• Cross-platform compatibility – Works on Windows, macOS, and Linux.

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📌 Requirements

Before running the script, ensure you have the following installed:

1️⃣ Python 3.7+

• Download and install Python from the official website: python.org/downloads
• During installation, check the box "Add Python to PATH" for easy access from the command line.
• Verify installation by running:

  python --version

2️⃣ FFmpeg (Required for merging audio & video) FFmpeg is a multimedia framework used for processing audio and video files.

🛠 Windows Installation: Download the latest FFmpeg build from: https://ffmpeg.org/download.html

Extract the files to a location (e.g., C:\ffmpeg).

Add FFmpeg to your system's PATH:

Search for "Environment Variables" in the Windows Start Menu.

Under System Variables, find Path, then click Edit.

Click New and add the bin folder path (e.g., C:\ffmpeg\bin).

Click OK to save the changes.

Verify installation by running:

sh Copy Edit ffmpeg -version 🛠 Linux / macOS Installation: For Debian/Ubuntu:

sh Copy Edit sudo apt update && sudo apt install ffmpeg For macOS (using Homebrew):

sh Copy Edit brew install ffmpeg Verify installation with:

sh Copy Edit ffmpeg -version Once both Python and FFmpeg are installed, you're ready to run the script! 🚀

markdown Copy Edit

Install the required dependencies using:

pip install -r requirements.txt

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🎯 Usage

1. Run the script:

   python youtube_downloader.py

2. Enter the YouTube video URL when prompted.
3. Choose a resolution from the available options.
4. The video will be downloaded and saved in the specified folder.

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🛠 Installation Guide

🔹 Windows / macOS / Linux

1. Clone the repository (or download the script):

   git clone https://github.com/yourusername/youtube-downloader.git
   cd youtube-downloader

2. Install dependencies:

   pip install -r requirements.txt

3. Run the script:

   python youtube_downloader.py

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📂 Download Location

By default, videos are saved in:

D:\YouTubeVideoDownloader

You can change this path by modifying the DESTINATION_DIRECTORY variable inside the script.

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⚡ Dependencies

This script uses:

• yt-dlp – for extracting and downloading YouTube videos.
• FFmpeg – for merging audio and video files.
• urllib – for URL parsing.
• os – for handling file paths.
• re – for sanitizing filenames.

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⚠️ Disclaimer

This script is intended for personal use only. Downloading videos without permission may violate YouTube’s Terms of Service. Use responsibly.

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⚠️ Owner [Shyam Developer]

📝 License

This project is open-source under the MIT License.

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💡 Contributing

Pull requests are welcome! Feel free to submit improvements or bug fixes. 😊