I have some suggestions "on the Local YouTube video downloader", like adding a green Download button next to the subscribe channel button, language change and making a better Download UI. The UI could look like this, the download button instead of save to album or next to the subscribe button with an option to choose between audio and the video format with the quality.

My professional Paint skills
I have some suggestions "on the Local YouTube video downloader", like adding a green Download button next to the subscribe channel button, language change and making a better Download UI. The UI could look like this, the download button instead of save to album or next to the subscribe button with an option to choose between audio and the video format with the quality.

My professional Paint skills