Step 1: Open Youtube App then find the Youtube video you want to convert
Step 2: Click "Share" button and then click "Copy"
Step 3: Access https://tomp3.cc from your browser. Paste the Youtube URL into the search box and then click "START"
Step 4: Choose the MP3 format and the quality, then click "CONVERT" button
Step 5: When the conversion is completed, click "DOWNLOAD" button to save the file