Convert YouTube videos to MPEG with Freemake Video Converter. 100% free & reliable software. Over 30,000,000 users worldwide. Download it here.
Copy the links of YouTube videos you'd like to convert to MPEG. In Freemake Video Converter click "Paste URL" for YouTube video download.
Click "to MPEG". Choose the preset (better "Same as source") and destination folder.
Click "Convert" and wait a bit while your video is being converted to MPEG.