This plugin allows you very simply syntax highlight source code in your content using highlight.js or google-code-prettify libraries.
Alternatives to WP Editarea
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WordPress plugins with similar use cases
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A plugin to easily present source code on your site with syntax highlighting and formatting (as seen in code editors, IDEs).
Create syntax-highlighted, copy-ready code snippets in Gutenberg with responsive layouts, themes, and shortcode support.
Add code block with syntax highlighting using prism.js. (Available for Gutenberg and Classic Editor)
Adds modern syntax highlighting to WordPress's standard code block using the robust highlight.js library.
100% automatic code highlighting using the Prettify library. No shortcodes, no classnames, fully automatic and pure awesome.
Find where code, hooks, templates, and text are defined in your themes and plugins.
Local accessibility content checks, rendered-page audits, Media Library review, and optional theme improvements in WordPress.
Syntax highlighting for the Gutenberg Code block — Prism.js, 21 themes, 40+ languages, plus an optional server-side highlighting mode.
Show Messages on the WP Admin Dashboard.