Must-Have 15 Chrome Extension For Developer's Productivity

30 Seconds of Knowledge - Web Extension that lets you gain new developer skills, every time you open a New Tab. Source
Bitly | Powerful Short Links - Create short, customized, powerful links from any page and share them with the world. source
ColorZilla - Advanced Eyedropper, Color Picker, Gradient Generator, and other colorful goodies. source
GoFullPage (Full Page Screen Capture) - Capture a screenshot of your current page in entirety and reliably—without requesting any extra permissions! source
Grammarly for Chrome - Write your best with Grammarly for Chrome. source
Honey - Automatically find and apply coupon codes when you shop online! source
iorad - Tutorial creation made easy. Instantly make guided, step-by-step directions for any website. Directly in the browser. source
OneTab - Save up to 95% memory and reduce tab clutter source
Print Friendly & PDF - Print Friendly and PDF any Webpage source
Save All Resources - Save all resources files with retaining folder structure. source
Stylebot - Change the appearance of the web instantly source
svg-grabber - A tool to quickly preview and get all the svg assets from a website. source
Tab Resize - Split Screen made easy. Resize the CURRENT tab and tabs to the RIGHT into layouts on separate windows source
Toby for Chrome - Better than bookmarks. Organize your browser tabs and access them quickly anywhere. source

15 WhatFont - The easiest way to identify fonts on web pages. source