1. Web Developer
The web developer extension for Chrome adds a little toolbar with different tools available. The original concept of this Chrome extension for developers came from the PNH Developer Toolbar.
The chrome extension web developers has a lot of handy tools a developer can use in their day-to-day work – for designers as well as programmers. It allows you to do a lot of more then the standard Chrome Inspector, like being able to easily add outlines to elements just by clicking, displaying rulers, finding all broken images on a page, and lots more.
Link: Web developer extension.
2. f19N Obtrusive Live Test
This Chrome extension for developers is a sandboxed, extendable Webpage Testing Framework. It allows devs to test all pages on predefined best practices such as SEO or web performance. It is very simple to create the tests yourself.
You get direct visual feedback and see what is happening in the browser during page loads and render lifecycles.
Link: F19N Obtrusive Live Test
3. Window Resizer for Developer
The Window Resizer extension lets you resize your browser window on the fly. Clicking on the icon in the menu bar produces a drop down menu of window sizes which you can customize. What’s neat about the Window Resizer is that it offers an option to launch it as pop-up, enabling you to switch through different screen resolutions and see if your media breakpoints are working as expected. On top of that, you can also rotate your screen and customize the presets.
Link: Window Resizer
4. ColorPick Eyedropper
ColorPick Eyedropper is a simple color picker tool that allows you to select color values from any web page.
Link: ColorPick Eyedropper
CSSViewer is a simple CSS property viewer. It provides a floating panel that reports on the identity of the section that the mouse is over, along with its font, text, color, background, box, positioning and effects attributes. CSSViewer provided the basic CSS information you need quickly. Make sure to install this Chrome extension.
Link: CSS Viewer
Ghostery is a great Chrome extension which detects trackers, pixels, and any other embedded snippet on a website. You immediately see which plugins and trackers are installed on the web page you’ve visited. Further on, Ghostery lets you protect your privacy. There’s no registration or sign up required to use this Chrome extension.
8. Site Spider
If you need to find broken links on your site and want to restrict spidering to a specific directory you need Site Spider.
Link: Site Spider
9. Session Manager
When you’re working on the web, browser tabs management is a great skill. Session Manager is your Chrome extension to go. It saves your browsing state and lets you re-open the session later. It is particularly useful if you find yourself opening the same web pages over and over.
Link: Session Manager
10. Clear Cache
This extremely useful Chrome extension allows you to clear your cache from the toolbar. It works “behind-the-scenes” meaning there are no popups or confirmation dialogs to distract you. It’s customizable in terms of how much data you want to clear, including app cache, downloads, file systems, form data, history, local storage, passwords and much more.
Link: Clear Cache
As a developer working with RESTful APIs, reading raw JSON data on a browser can be quite awkward. It’s much easier to read JSON in tree-view, rather than in its raw state. The Chrome extension JSONView helps you view JSON documents in the browser.
Link: JSON Viewer