It’s time to switch to Google Chrome browser from Google advocates once their Chrome Extensions gallery launched officially. Here we have a roundup for the top/best 30 Chrome extensions for web designers and developers. Have you installed these Chrome extensions before? Share your thoughts and let me know your favorites as well.

Speed Tracer
Speed Tracer is an open source tool for you to get insight into the performance of web applications. It can help you identify and fix performance problems like JavaScript parsing and execution, layout, CSS style, DOM event handling, XMLHttpRequest callbacks, timer fires, network resource loading and painting in your web applications. Speed Tracer visualizes metrics that are taken from low level instrumentation points inside of the browser and analyzes them when your application runs.

Firebug Lite
Firebug is one of the most popular Firefox addons for web developers. Now this Google Chrome version extension Firebug Lite that allows you to edit, debug, and monitor CSS, HTML, and JavaScript live in any webpage. Firebug Lite is a lightweight version of Firebug for Chrome users.

BuiltWith Technology Profiler
BuiltWith Technology Profiler is the Chrome version of BuiltWith, a website profiler tool that allows you find out what the website you are visiting is built with by a simple click on the builtwith icon. It aims to help developers, researchers and designers find out what technologies webpages are using. BuiltWith technology tracking includes widgets (snap preview), analytics (Google, Nielsen), frameworks (.NET, Java), publishing (WordPress, Blogger), advertising (DoubleClick, AdSense), CDNs (Amazon S3, Limelight), standards (XHTML,RSS), and hosting software (Apache, IIS, CentOS, Debian).

Snippy
Snippy is a simple, fast and unobtrusive way to collect snippets from webpages and then save them together for future use. Unlike screen capture extensions, Snippy captures rich contents and preserves formatting, so you can grab paragraphs, images, links and more. Snippy saves the captured snippets on your Chrome browser. You can also upload the snippets to http://snipbin.appspot.com and share them with your friends online.


Aviary Screen Capture
You can quickly screen capture the visible portion of any web page by Aviary Screen Capture and then edit the screenshot directly in your browser with Aviary.com web applications. This extension is also a quick way allowing you access their powerful creative tools like Image Markup, Effects Editor, Myna, Vector Editor, and Swatch Editor.

Picnik Extension for Chrome
Picnik Extension lets you easily select and edit the images you come across while browsing any web page. It’s also a screen capture Chrome extension by just one click to send the visible page to Picnik directly, and then you can edit/share the image online with Picnik.

IE Tab
You might want to check whether your website is compatible with the standards of old web browser like Internet Explorer 6 by testing the IE rendering engine. IE Tab is the best solution for you to see how well the site is by running IE since some sites cannot be displayed properly using IE. In other words, you can use IE without leaving Google Chrome. IE Tab also supports to view local files (example: file:// URLs) as well.

IE Tab Classic
Similarly, IE Tab Classic is just an alternative of IE Tab. Allowing you run Internet Explorer within Chrome by relying on IE proprietary technology.

Chrome SEO
Web developers should install Chrome SEO that including a list of SEO tools such as competitive analysis, keyword research, social bookmark counts, traffic and ranking, cached Versions, domain whois details, and backlink checker. This SEO extension can highlight nofollow links too.

Resolution Test
An very useful extension for designers and developers to test and preview webpages in different screen resolutions from a list of common resolutions or define your own resolutions. All you need to do is click the resolution test icon, choose a resolution, press custom and input desired resolution, or select multiple resolutions and press “View all selected”, and then your window will be resized.

Lorem Ipsum Generator
One of the must-have extensions to generate dummy random “Lorem Ipsum” text within Chrome. You are allowed to specific number of paragraphs and number of words per paragraph accordingly.

META SEO Inspector
Like the name called, META SEO Inspector would reveal the meta datas like HTML meta tags, XFN tags, various microformats, Canonical attribute and nofollow links inside web pages. It’s a SEO-oriented extension that lets you verify the description tag of your site for SEO purposes and to follow Google’s webmaster guidelines.

Pendule
Pendule offers various handy developer tools from style sheet, JavaScript, forms, images to website accessibility for Chrome users. Some of the key features includes a color picker and visible ruler, stylesheet and JavaScript viewer, show image’s paths, ALT tags and dimensions, webpage typographic and source code viewer, and a list of CSS, markup, and feed validators and link checker. Definitely one of my favorite choices among the list of Chrome extensions for web designers and developers.

Eye Dropper
A simple extension to pick color from any web pages, you can see actual color next your mouse cursor, or just click on button and move you mouse on. Eye Dropper also integrates an advanced color picker.

Window Resizer
Window Resizer can resizes the browser window to emulate various screen resolutions, therefor you can check and preview the layouts of your sites on different size monitors. You can customize you own resolutions as well. Right now there are 3 screen types available for different devices: desktop, laptop/notebook and mobile.

MeasureIt!
Allows you to measure any item on web pages by draw out a ruler and get the pixel width and height.

Ibrii
Ibrii is a social webpage snippet capture tool that you can snip pictures, text and video from webpages and share everything on Twitter, Facebook, and other social media websites. You can snip every type of content on the Internet no matter whether it’s simple text, a photo, a video or even an streaming audio. The Ibrii users can mix videos, text or photos from different pages into a single note and later share that note with friends.

PlainClothes
PlainClothes let you have completely control on the font style, font color, background color and link color for any webpage. You can use this tool to define any color combination you want in order to preview the color scheme contrast for your works.

JavaScript Console
It’s a JavaScript console for Chrome allows you to do simple JavaScript prototyping on any web page.

Chrome Sniffer
This extension is particularly for web developers that can detect over 45 popular web frameworks, CMS and JavaScript libraries run on browsing website. Chrome Sniffer will display an small icon indicates the detected frameworks at the end of address bar. [Library Detector - Detects the JavaScript libraries running on a page and displays it's icon in the address bar.]

SeoQuake
SeoQuake is a SEO extension that shows Google PageRank, Alexa and tons of SEO parameters such as Google/Yahoo/Bing/Delicious index, Webarchive age, Whois link, SEMRush rank, NoFollow links and also works in SERP.

Webpage Screenshot
A fast and simple Chrome extension to capture whole web page in PNG format.

Image Cropper
Image Cropper lets you crop images in any website on the fly.

CSS Reloader
CSS Reloader allows you to reload all the CSS of any site without you have to reload the page itself. To use this extension just press F9, and the loaded stylesheets will reload. [Reload CSS]

Practice HTML
A practice board for testing your HTML coding.

View Selection Source
you can view selection source in resizable popup. Drag the bottom right corner to resize.

Live Editor
A convenient Chrome extension for you to test code snippets without refreshing.

Personalized Web
You can be the “webmaster” of any web page by inject custom HTML, JavaScript and CSS to a given web page while it is being loaded by the browser. It also can be a ad block tool to decrease page loading time and prevent browser to render unwanted parts of a web page.
1. [userScriptCSS - Apply a user stylesheet and or script to webpage.]
2. [Change Colors - Change web page colors based on user's preferences.]

Inline Code Finder
Finds HTML elements with inline JavaScripts events, inline styling and javascript: links.

jQuery Selectors
A simple Chrome extension that demonstrates jQuery 1.4 JavaScript library selectors capabilities, and can be used to apply a jQuery selector to any webpage.

Validity
A handy extension for web designers to validate any websites’ HTML documents from the address bar. Just click the icon in the address bar or pressing “Ctrl+Alt+V” to validate the current document without leaving the page. The number of validation errors can be seen in the tool tip. Validity also gives you the option to use your own installation of the W3C Validation Service.
1. [HTML Validator - Tool to validate HTML of the current web page.]
2. [HTML Validation - A small extension giving the HTML validity of the current visited page.]