1.Google Dictionary: Select any word to get its meaning.
2.Grammarly: Check your spelling and grammar as you type. Adding Grammarly to Chrome means that your spelling and grammar will be vetted on Gmail, Facebook, Twitter, Linkedin, Tumblr, and nearly everywhere else you write on the web.
Grammarly Extension link
3.Magic Action For Youtube: Enhance your YouTube watching experience! Auto HD, Ad Block, Cinema Mode, Mouse Wheel Volume Control, Screenshot…
Magic Action Extension link
4.Pocket Feedly: All your favorite sites in one place.
Used by over 50 million people, a free ad blocker that blocks ALL annoying ads, malware and tracking.
Adblock Extension Link
Select any line to search in the new tab automatically.
Fastest Fox Extension link
7.Pocket: Offline reader
And some more extension you can add like…..
1.SaveFrom.net helper: Download YouTube, Facebook, VK.com and 40+ sites in one click.
2.MailTrack for Gmail: Email tracking for read receipts made simple. Add the double check marks to your Gmail.
3.Hotspot Shield Free VPN Proxy – Unblock Sites: Unblock any blocked website and stay secure with Hotspot Shield. Easy use with one-click activation. Unlimited and completely FREE!
4.Quick Note: The quickest way to take notes in Chrome, as quick and slick as the best desktop note-app.
5.High Contrast: Change or invert the color scheme to make webpages easier to read.
6.Google Translate: View translations easily as you browse the web. By the Google Translate team.
7.Google Sheets: Create and edit spreadsheets
8.Google Docs Offline: Get things done offline with the Google Docs family of products.
Want More….Go through the link