How to Download YouTube Videos as MP3 Files Using Python
YouTube is one of the most popular video-sharing platforms in the world, where you can find millions of videos on various topics. Sometimes, you may want to download some YouTube videos as MP3 files, so that you can listen to them offline, on your favorite music player, or use them for other purposes. In this article, you will learn how to download YouTube videos as MP3 files using Python, a powerful and versatile programming language. You will also learn about two different libraries that can help you with this task: youtube-dl and pytube.
Prerequisites
Before you start this tutorial, you need to have the following things:
download youtube video as mp3 python
Python 3.6 or higher installed on your system. You can download it from .
pip, a package manager for Python. You can check if you have it by running pip --version in your terminal or command prompt. If not, you can install it by following .
youtube-dl, a free and open-source command-line program that can download videos from YouTube and other sites. You can install it using pip or from source.
pytube, a lightweight and dependency-free Python library that can download YouTube videos. You can install it using pip or from source.
ffmpeg, a cross-platform tool that can convert audio and video formats. You can download it from .
Method 1: Using youtube-dl library
Installing youtube-dl library
To install youtube-dl using pip, you can run the following command in your terminal or command prompt:
python -m pip install youtube_dl
To install youtube-dl from source, you can run the following commands in your terminal or command prompt:
git clone ffmpeg cd ffmpeg python setup.py install
Downloading YouTube videos as MP3 files using youtube-dl
You can use youtube-dl either as a command-line tool or as a Python wrapper. To use it as a command-line tool, you can run the following command in your terminal or command prompt:
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youtube-dl --extract-audio --audio-format mp3 [URL]
where [URL] is the link of the YouTube video that you want to download as an MP3 file.
To use youtube-dl as a Python wrapper, you can write a simple script like this:
import youtube_dl def download_ytvid_as_mp3(): video_url = input("Enter URL of YouTube video:") video_info = youtube_dl.YoutubeDL().extract_info( url=video_url, download=False ) filename = f"video_info['title'].mp3" options = options = 'format': 'bestaudio/best', 'keepvideo': False, 'outtmpl': filename, 'postprocessors': [ 'key': 'FFmpegExtractAudio', 'preferredcodec': 'mp3', 'preferredquality': '192', ] with youtube_dl.YoutubeDL(options) as ydl: ydl.download([video_info['webpage_url']]) print(f"Downloaded filename successfully.") download_ytvid_as_mp3()
This script will ask you to enter the URL of the YouTube video that you want to download as an MP3 file, and then download it using the youtube-dl library and ffmpeg tool. It will also print the name of the downloaded file.
Method 2: Using pytube library
Installing pytube library
To install pytube using pip, you can run the following command in your terminal or command prompt:
python -m pip install pytube
To install pytube from source, you can run the following commands in your terminal or command prompt:
git clone pytube cd pytube python setup.py install
Downloading YouTube videos as MP3 files using pytube
You can use pytube Python library to download YouTube videos as MP3 files. To do so, you can write a simple script like this:
from pytube import YouTube import os def download_ytvid_as_mp3(): video_url = input("Enter URL of YouTube video:") video = YouTube(video_url) title = video.title stream = video.streams.get_audio_only() filename = f"title.mp4" stream.download(filename=filename) os.rename(filename, f"title.mp3") print(f"Downloaded title.mp3 successfully.") download_ytvid_as_mp3()
This script will ask you to enter the URL of the YouTube video that you want to download as an MP3 file, and then download it using the pytube library. It will also rename the downloaded file from MP4 to MP3 and print the name of the downloaded file.
Conclusion
In this article, you have learned how to download YouTube videos as MP3 files using Python. You have also learned about two different libraries that can help you with this task: youtube-dl and pytube. Both libraries are easy to use and offer various options and features for downloading YouTube videos. You can choose the one that suits your needs and preferences better.
If you want to learn more about Python, youtube-dl, pytube, or ffmpeg, you can check out the following resources:
FAQs
Q: How can I download a playlist of YouTube videos as MP3 files using Python?
A: You can use youtube-dl or pytube libraries to download a playlist of YouTube videos as MP3 files using Python. For youtube-dl, you can use the --yes-playlist option to download all videos in a playlist. For pytube, you can use the Playlist class to create a playlist object and then iterate over its video_urls attribute to download each video.
Q: How can I specify the quality or bitrate of the downloaded MP3 files using Python?
A: You can use youtube-dl or pytube libraries to specify the quality or bitrate of the downloaded MP3 files using Python. For youtube-dl, you can use the --audio-quality option to set the desired audio quality in VBR (variable bitrate) or CBR (constant bitrate). For pytube, you can use the abr attribute of the Stream object to get or set the average bitrate of the audio stream.
Q: How can I download only a part of a YouTube video as an MP3 file using Python?
A: You can use youtube-dl or ffmpeg tools to download only a part of a YouTube video as an MP3 file using Python. For youtube-dl, you can use the --postprocessor-args option to pass arguments to ffmpeg, such as -ss and -to to specify the start and end time of the video segment. For ffmpeg, you can use the -i option to input the video URL and the -ss and -to options to specify the start and end time of the video segment.
Q: How can I download YouTube videos as other audio formats using Python?
A: You can use youtube-dl or ffmpeg tools to download YouTube videos as other audio formats using Python. For youtube-dl, you can use the --audio-format option to set the desired audio format, such as aac, flac, m4a, opus, vorbis, or wav. For ffmpeg, you can use the -f option to set the output format, such as aac, flac, m4a, opus, ogg, or wav.
Q: How can I download YouTube videos as video files using Python?
A: You can use youtube-dl or pytube libraries to download YouTube videos as video files using Python. For youtube-dl, you can use the --recode-video option to set the desired video format, such as mp4, mkv, webm, or avi. For pytube, you can use the get_highest_resolution() or get_lowest_resolution() methods of the Stream object to get the best or worst quality video stream and then use the download() method to download it. 44f88ac181