This is youtube video/playlist downloader

DEMO

backend: python fast-api frontend: svelte-kit

clone repo and Install the dependencies...

cd youtube-dl
npm install

create python virtual environment and install requiremennts

python3 -m venv env
source env/bin/activate
pip install -r requirements.txt

run backend

API_KEY=YOUR_YOUTUBE_API_KEY uvicorn backend:app --reload

start frontend

npm run dev

Navigate to localhost:3000. You should see your app running.

ffmpeg is needed when downloading resolutions other than 360p or 720p

because the video and audio have to be first downloaded seperately and later merge together using ffmpeg

• frontend

you might want to create a /.env file in root of this project

In it write

VITE_SERVER_ENPOINT=http(s)://your_server_endpoint

To create an optimised version of the app:

npm run build

You can run the newly built app with npm start.

• backend

you might want to a .env file in /backend/

In it write

API_KEY=your_youtube_api_key

you can use gunicorn as a manager for uvicorn

source env/bin/activate
pip install gunicorn

now run backend with gunicorn

gunicorn backend:app -w 4 -k uvicorn.workers.UvicornWorker

• frontend works offline after first load thanks to svelte-kit service-worker feature and workbox
• frontend is installable
• downloads a youtube video
• downloads a youtube playlist

preview