Better Youtube Experience by Top 5 Google Chrome Extension

1. Adblock Plus

Features

• Block ads
• Allow acceptable ads
• Disable trackking
• Disable Malware domain
• Disable social media buttons
• Typo protection

2. Youtube Plus 

Features

• Play your videos in a pop-out window
• Turn off 60fps
• Navigate through videos frame by frame (No longer necessary, YouTube already has it)
• Allow ads only in videos from your subscribed channels
• Blacklist entire channels from your suggestions and search results
• Make the player fill the entire browser with the Fullbrowser mode feature
• Player always visible where you want while reading the comments
• Play your most recent subscriptions in a playlist
• and more!

3. Video Downloader

Features

• Directly download video from youtube without leaving the page
• Have various resolution selection
• Have various video format

4. Tamper Monkey Script: MP3 Download Button

Features

• Download audio directly from Youtube page.

5. MusixMatch Lyrics

Features

• Instant lyrics view
• Support multiple language all over the world