Web Essentials 2012


Adds many useful features to Visual Studio for web developers.

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by Jony Green | September 06 2015

I'm not a developer, i always use free online js minifier(http://www.online-code.net/minify-js.html) and css compressor(http://www.online-code.net/minify-css.html).

by Dan Randolph | May 01 2015

I love the css help.

by Ammar.Zaied | February 13 2015

nice !

by Gene Kohli | January 21 2015

Sweet Suite!

by Bob Blork | May 30 2014


by Shreeharsh Ambli | April 17 2014

brings in new capabilities

by Ilya Galakhov | February 19 2014

Thank You!

by Jitbit1 | February 04 2014

No more LESS support in the latest version. But "LESS" is there on the product page, there's even a LESS-settings tab in the options. Thanks for ruining our work process.

This extension is #1 result in Google for "Visual Studio LESS".

PS. the new "ASP.NET and Web Tools 2012.2" only highlights LESS code, but does not compile it!! So your answer does not help!!

by Proco | January 27 2014

Amazing extension!

by Richard D | December 19 2013

Nice tools, but unfortunately Typescript is left out of the recent update. So a lot of the functionality I used is not available anymore.


by harwi | November 30 2013

Great tool!

by Breno Queiroz | November 27 2013

You Must Have It!

by Balaji M Kundalam | November 23 2013

Useful add on.

by GK Dev | November 20 2013

by TW Scannell | November 19 2013

This says is updated today.It fails to install in VS 2012 Express

Mads Kristensen November 20 2013
| Edit |

Unfortunately, VS Express doesn't support 3rd party extension. It's not a limitation of Web Essentials

by Eliezer Perlmutter | November 01 2013

by Leonardo Lourenço Silva | November 01 2013

Very USeful !!!

by Christiaan Rakowski | October 28 2013

by HiTech Magic | October 22 2013

Dropping support for TypeScript (without plastering that "little" detail all over the download page) has just cost me 4 wasted hours and sent me full circle back to the old Web Essentials.

1. Installed Web essential update
- lost TypeScript support

2. Installed separate TypeScript add-in from MS
- Does not build existing TypeScript files in project

3. Researched how to modify project to get it to build TypeScript files
- Still does not build existing TypeScript files in project

4. Created a new project minimal testbed to test TypeScript compiling
- ts files are added, with TypeScriptCompile option, but do not generate .js files at all. Tools | Options etc have no effect

5. Researched this new problem
- Gave up in disgust

6. Uninstalled TypeScript & latest Web Essentials

7. Installed old Web Essentials
- Luckily this was still in my download folder

8. Have now lost color-coding, intellisense and all those other features that made Web Essentials useful.
- Decide to write grumpy review :(

I have never had so much grief from one update. In future I will Google for problems with the updates before even thinking about pressing upgrade!

by Cattousa | October 15 2013

WebEssentials 2012 is a stellar extension. Being able to collapse JavaScript between {curly brackets} is very useful.

1 - 20 of 194 Items   
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  • jshint ignores references
    1 Posts | Last post August 03, 2013
    • When i have a VS reference to another JS file,
      /// <reference path="../Entity.js" />
      , then JSHint will just ignore this and say "JSHint: 'Entity' is not defined." when i use that entity in my file.
  • Less and relative to root paths.
    1 Posts | Last post August 01, 2013
    • Hi, just wondering, upgraded to 2.8.1 and still got a problem with compiling less to css.
      @import "/Content/css/bootstrap/bootstrap.less";
      Will yield an error: LESS: '/Content/css/bootstrap/bootstrap.less' wasn't found (404)
      File with import is in /Content/css. We've been using those paths to be able to reorganize without problem. 
      Have been and is working fine using the client side less compiler. Noticed it a couple of days ago when we started to look into compiling css on build.
      Is this something that could be fixed for Web Essentials 2012?
  • TypeScript
    1 Posts | Last post July 31, 2013
    • Compiler is hanging in 0.9.  Any plans to fix this?  
  • .LESS import failure / Rollback possibility
    5 Posts | Last post July 31, 2013
    • The .less import bug is a big problem for me right now and before it gets fixed, I would like to rollback to the 2.7 version. Is there any way to do that? 
    • Answering to myself. Uninstalled and installed version found from nightly builds feed (http://madskristensen.net/post/Web-Essentials-nightly-builds.aspx). And I'm back in business :)
      There's also 2.7 version available from Chocolatey Gallery, but at least in my case installing that returned back the 2.8. version.
    • I want to do exactly what you did, I need @includes working. I got the nightly builds extension that you have the link for, but I don't see how to get a prior version? How do I select to install it? Thanks!
    • I have the same issue. Old version (2.7) is here: http://vswebessentials.com/nightly/webessentials2012-2.7.vsix
    • Thanks for the 2.7 url.
      Doing the same thing (rollback) with 2.8 all my paths,imports,fonts are not well formed.
      All my project .less files doesn't build anymore and report nothing as result.
  • sourceMappingURL syntax has change for an IE bug
    1 Posts | Last post July 30, 2013
    • Hello, it seem IE had a bug with the following syntax: 
      //@ sourceMappingURL=x.js.map : 
      When could we expect WebEssential to upgrade to the new syntax : 
      //# sourceMappingURL=x.js.map
      Thanks !
  • add region doesn't seem to work
    1 Posts | Last post July 23, 2013
    • Hi,
      I am just learning how to use Web Essentials 2012 so maybe this is my inexperience and not a bug, but it doesn't seem like CSS add region is working for me.
      1) within a CSS file, on a new line I start typing the letters ad
      2) I see the drop down that shows Add region... at the top
      3) I have tried several things to get the region to work including:
         a.  pressing the tab - I just get the word address.  The list item Add Region never highlights.
         b.  pressing the up arrow to select Add Region and then pressing tab.  When I do this I get just the word region without the comment marks.  I get the same effect when I double click on Add Region.
         c.  If I manually type the region as shown in the docs like this:
      /*#region colors*/
      /*#endregion */
      If I do this I get two collapse icons, one next to the first region line and one next to the second comment line.  If I don't include the body in comments tag vs highlights it as a css error.
      Other features of web essentials seem to be working (like zen coding in HTML).  I also tried uninstalling web essentials and re-installing from a fresh download.  
      Can anyone shed any light on this?  Thanks
  • Failing to compile .less files with import
    4 Posts | Last post July 23, 2013
    • After upgrading to v2.8 today, any .less files that have @import statements in them are broken. I have found someone else having the same issue, on this stack overflow topic: http://stackoverflow.com/questions/17703093/web-essentials-v2-8-less-import-error/17735609#17735609
      I am not receiving any error messages, just a blank preview window, along with blank .css and .min.css files, so my styling is now broken.
      Do you have any ideas what is going on?
      Thank you.
    • I am having same issue.
    • Same issue for me...
    • Unfortunately, I'm having the same issues. In 2012 it appears that the relative path bug has not been fixed, although I can use the @import as far back as one folder (../file.less) I believe. My project structure requires 3 levels up. I tried in 2012.2 and 2012.3.
      Using the preview for 2013, no @import works. This is such a great addition to Visual Studio, it's such a shame that one single item keeps bogging me down.
  • Maybe Zen coding for Xaml?
    1 Posts | Last post July 19, 2013
    • I whish I had Zen coding in Xaml as well...
  • Undeclared mixin
    1 Posts | Last post July 18, 2013
    • When I write:
      @import "/normalize/normalize.less";
      #normalize.all("Arial", "Arial");
      The css is compiled but #normalize is "undeclared.
      Changing to:
      @import "normalize/normalize.less";
      #normalize is declared but the css doesn't compile.
  • No LESS syntax highlighting
    1 Posts | Last post July 18, 2013
    • After I upgraded to 2012.3 update (I think it's related), my LESS intellisense and syntax highlighting stopped working. web essentials apparently still work, as I can still see CSS preview (correctly syntax highlighted), LESS compiles and I can change options.
      I just upgraded to 2.8 hoping this has been resolved, but I can see the same effect. No LESS highlighting nor intellisense.
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