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Automagically highlight all your code blocks. 
This plugin uses highlight.js to detect and highlight “pre” HTML tags.
To color theme use the customizer: Appearance -> Customize -> Code Highlighting Theme

Awesome Code Highlighting

Automagically highlight all your code blocks.

Weston Ruter

Jeremy Herve

eclev91

Marcus Kazmierczak

memuller

Jaz White

Code Syntax Block extends the WordPress block editor by adding syntax highlighting support to the core code block using the Prism syntax highlighter.
The Prism syntax highlighter runs JavaScript loaded on the front-end to parse code blocks and apply syntax markup. A CSS file specifies the color and style to apply to that markup. See <a href="https://prismjs.com" rel="nofollow ugc">Prism syntax highlighter</a> for full details.
Primary development and issues tracked on Github at: <a href="https://github.com/mkaz/code-syntax-block" rel="nofollow ugc">https://github.com/mkaz/code-syntax-block</a>

Code Syntax Block

Nice plugin for syntax highlighting!

Thanks to Marcus for making this kind of useful plugin.

Awesome Plugin

Light, customizable and works. In one word, perfect. Thank you :)

Simply perfect


Why nothing for the Classic editor? 



How about half of Wordpress user base?


You forgot about half your wp user base


The main thing is that it extends the standard gutenberg block by adding themes. It might be worth adding a button to copy content to clipboard. Good work!


Great plugin, just what I need.


Add color and joy to your posts with code -> it's a must! Yuo need this one if you hace a developer site.


A must for a developer site

Code Syntax Block plugin extends the block editor by adding syntax highlighting to the core code block.

Awesome Code Highlighting vs Code Syntax Block