Este plugin no se ha probado con las últimas 3 versiones mayores de WordPress. Puede que ya no tenga soporte ni lo mantenga nadie, o puede que tenga problemas de compatibilidad cuando se usa con las versiones más recientes de WordPress.

Prettify Code Syntax


The main reason for the development of this plugin was the lack of options supporting the HTML5 recommendation, where the code snippets should be tagged with pre followed by code, and optionally a class starting with language- and then our language.

You can use the plugin like this:

<pre class="prettyprint"><code class="language-php">
// my code

Also very important is that although this plugin loads different files depending on your configuration, it fully supports caching scripts (W3 Total Cache) to concatenate and compress all the css and js, so the impact in performance will be minimum.


This syntax highlighter is based on Google Code Prettify and should work on a number of languages including C and friends, Java, Python, Bash, SQL, HTML, XML, Javascript, Makefiles, and Rust. It works passably on Ruby, PHP, VB, and Awk and a decent subset of Perl and Ruby, but, because of commenting conventions, doesn’t work on Smalltalk.

Other languages are supported via an extension (plugin options): CSS, SQL, YAML, Visual Basic, Clojure, Scala, Latek (TeX, LaTeX), WikiText, Erlang, Go, Haskell, Lua, OCAML, SML, F#, Nemerle, Protocol Buffers, CHDL (VHDL), XQ (XQuery), Lisp, Scheme, Dart, Llvm, Mumps, Pascal, R, S, RD, TCL


Four different styles are provided, and they can be previewed in the plugin options. They are modified to make sure they don’t clash with any other styles in your theme.

You have also the option to include your custom style.

If you have a style that would like to see included in the option list, just contact me, or fork me.


  • Plugin options are at Settings > Prettify Code Syntax. Have a look at the Screenshots tab to see how it looks like.

  • If you don’t care too much about the HTML5 recommendation, you can skip the language- class. The code always gets detected automatically.

  • It will also work if you only use a pre tag without the code tag (but long lines will be wrapped instead of get horizontal scroll), or if you only use a code tag with the prettyprint class (but if you don’t use pre your spaces/returns won’t be maintained.)

  • Be careful using the Visual Editor tab when inserting code, as some HTML tags will be modified or removed.

  • Using a chaching plugin like W3 Total Cache is highly recommended.


You can find a front end demo here a the bottom.


  • Language options
  • Style options


In your WordPress installation go to Plugins > Add New, and search for «prettify code syntax» to find and install it automatically.

You can also install it manually:

  1. Download the plugin and upload the contents to the /wp-content/plugins/ directory, using FTP or the Upload tab in Plugins > Add New.
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Change settings if neccessary at Settings > Prettify Code Syntax


I want to add the tags « or « to my code, how can I do it without breaking the snippet?

You can add a space before the closing >, like this </code >

I found a bug, or have some code improvements, or have something to ask about the plugin. How do I contact you?

Best thing with anything related to code would be to fork me or open an issue. For anything else you can post a comment or contact me.


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Colaboradores y desarrolladores

«Prettify Code Syntax» es un software de código abierto. Las siguientes personas han colaborado con este plugin.


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Registro de cambios


  • Add Twitter Bootstrap style
  • Isolate default style. Every style now is independent
  • Fix bug where all languages were loaded
  • Code refactoring


  • Add new languages
  • Several fixes and code refactoring


  • First release