Converto.io - Best for: saving videos as audio files

You can also use Converto.io to download videos from the web. It claims to be "the simplest method for downloading and converting YouTube videos to MP3 or MP4" Converto.io's main selling point is how simple it is to use. Users can easily get their desired videos by copying the YouTube link, pasting it into Converto.io, and then clicking the "Convert" button.

Download and convert any video from YouTube to MP3 or MP4 using Converto.io. No other software is required. The service is especially useful because it allows you to customize your downloaded video's name, ID3 tags, clip length, and quality. Convert.io will automatically add album art to your MP3 file if you are converting a movie to that format.

Pros:

• Very easy to use;
  
  
• Can save files in MP4 and MP3 formats.

Cons:

• Too many ads on the website.

Website: https://www.converto.io/