Here are the best Chrome extensions you should be using if you're a developer of any kind, but especially if you're a web developer.
https://www.makeuseof.com/tag/best-chrome-extensions-programmers/
* over 60 percent market share on desktops
* especially a web developer
* Programming vs. Web Development: What's the Difference?
* Programming vs. Web Development: What's the Difference?
* custom user profiles
* Session Buddy
* we recommend AutoHotkey scripts
* iMacros for Chrome
* Web Timer
* we highly recommend the cross-platform Toggl
* The Best Time Tracking App for Android, iOS, and Desktop
* The Best Time Tracking App for Android, iOS, and Desktop
* best tools for creating screenshots
* Awesome Screenshot
* Marmoset
* Web Developer
* User-Agent Switcher
* Wappalyzer
* IE Tab
* Click&Clean
* WhatFont
* ColorPick Eyedropper
* Lorem Ipsum Generator
* Check My Links
* Dimensions
* tab management Chrome extensions
* business productivity Chrome extensions
* best Chrome extensions
* The Best Chrome Extensions
* The Best Chrome Extensions