YouTube Downloader 4k

A simple, light-weight and high-quality youtube video downloader based on Pytube and ffmpeg, can support 4k video

DISCLAIMER: I do not encourage and am not responsible for any illegal downloading. Please respect copyrights.

Requirements

1. Python 3.2 or above
2. Pytube pip install pytube
3. ffmpeg (must be added to PATH) (download here)
4. Pillow pip install Pillow

Remarks: Due to irregular update of YouTube's API, pytube MUST be updated to latest version by pip install -U pytube, or you may encouter errors

Quick Start

GUI

1. run python gui.py
2. copy the url of the video and download your video and audio!

Command Line

Video

1. copy the url of the video (e.g. https://youtu.be/wcgTStAuXQw)
2. run python runme.py https://youtu.be/wcgTStAuXQw
3. the video with highest quality will be downloaded to your current directory (you can add -f [PATH TO FOLDER] to specify where the video will be downloaded)

Audio

1. copy the url of the video (e.g. https://youtu.be/4OSu1MsKaZw)
2. run python runme.py https://youtu.be/wcgTStAuXQw -a -aformat mp3
3. the audio in mp3 format will be downloaded to your current directory (you can add -f [PATH TO FOLDER] to specify where the audio will be downloaded)

Command description

usage: runme.py [-h] [--folder FOLDER] [--quality QUALITY] [--info] [--audio] [-aformat {mp3,m4a,webm,wav}] url

Optional Arguments:

-f, --folder folder for saving downloaded video and audio

-q, --quality quality of video/audio, must be in the format of 1080p60/360p(resolution for video) or 128(bit rate for audio), only use it when you know what you need

-i, --info show video info(including resolution/audio bit rate available) and exit program

-a, --audio download audio only

-aformat audio format for downloading audio (mp3, m4a, webm, wav only, usually the default is webm, but it depends on the stream used for downloading)

You can also run python runme.py -h to see all options available

About ffmpeg

The program depends on ffmpeg to create high-resolution video and do audio format conversion. It can still download audio without conversion and download some lower-quality progressive video(if you specify the right resolution) without ffmpeg. But most functionality will be lost.