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3 Must-Have Web Design Browser Extensions

browser extensions

With web design you can create your own websites. It can be a complicated process. Luckily for web designers, you now have access to a plethora of material that makes web designing easier. Take a look at these apps and browser extensions that will make your job as a web designer easier.

HTML Validator

The HTML Validator app is an extension that can be added to Firefox and Mozilla. It is a combination of Tidy and OpenSP. Both online html validators. When HTML validator is active, you are able to check your HTML and CSS for errors without running it through a separate webpage. When you run the app, CSS and HTML errors will be shown in the error panel. It will offer suggestions on how to fix the errors. When you click on the error, the incorrect code is highlighted which allows you to find the errors easily. By clicking on the “clean up” link, the code will be fixed automatically.

Web Developer Toolbar

The Web developer toolbar is an extension that can be added to Chrome and Firefox. The toolbar adds various handy web developer tools to your browser. The web developer toolbar allows you to

  • Manipulate your HTML and see changes to your webpage in real time (Miscellaneous>open small text editor>make changes to HTML). Changes are not permanent. You will need to copy and paste any changes to your code before exiting the browser.
  • Instantly send your webpage to a CSS and HTML editor.
  • Use tools to help you write CSS code.
  • Check how fast your webpage will load on multiple internet connections. It will give you tips on how to cut down the loading time.


Firebug is a Firefox extension that helps you with your HTML, CSS, JavaScript, Ajax, and DOM Manipulation. You can also use Firebug in IE, Chrome, and Safari by downloading Firebug Lite. Firebug gives your browser these additions:

  • The ability to make changes to your webpage in real time. You will need to copy and paste any changes before closing the browser.
  • The ability to view your code as an outline that allows you to view the code as a whole or in its individual parts.
  • The inspect mode allows you to hover over items on a page and see the corresponding code.
  • The ability to click next to a CSS property to disable it. This will allow you to view what it looks like without that element.
  • The ability to debug JavaScript. Errors in JavaScript can slow down your webpage or prevent your webpage from loading. Firebug allows you to set break points by clicking next to your line or typing “debugger” directly into your code. This will allow you to determine where the problem code is located.

While creating a website can be a complicated process. There are programs, apps, and browser extensions out there that will make your job as an experienced or budding web designer easier. By utilizing online or local HTML classes and web designing apps, you will be on your way to creating a phenomenal website.

Written By

Owen Oliver is a website designer and photographer who writes about HTML, web design, and Photoshop.



  1. myles

    August 8, 2013 at 5:53 pm

    Ohh, thanks for this list. it would help.

  2. Jon Klokov

    August 8, 2013 at 10:20 pm

    Firebug is glorious. Great tip on that one, I’ve been using it for weeks now and just love it to death. Any more coding recommendations?

  3. Malcolm Thomas

    August 9, 2013 at 10:04 am

    Yeap, these are must have, espeically Firebug.

  4. raj

    August 9, 2013 at 11:15 am

    I use web developer toolbar extension for my chrome. It is really helpful in changing HTML code for the site and get a new look.

  5. Adek

    August 12, 2013 at 9:02 am

    Yes, i think Firebug is a best extension for testing the design or development errors. Thanks

  6. shahanth

    August 13, 2013 at 11:52 am

    Yup every browser must have extensions.

  7. Mel

    August 14, 2013 at 10:19 am

    Great article, i agree with the FireBug, it really is a great browser extension. Easy to use, even more easy to understand.

  8. Thomas

    August 19, 2013 at 9:32 am

    Firebug is a great Firefox extension for web developers. The CSS tools are very useful: you can edit the CSS in real time, you can disable CSS properties and you can also view the computed style.

  9. Simran

    January 12, 2014 at 6:52 pm

    Personally I use Chrome’s Inspect Elements for designing purposes – I mean to say to test small changes. I rarely use Firefox and on Chrome also Toolbar makes it bulgy and hangs my browser. So my choice is to stick with default web developer console on Chrome.

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