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Best source code plugins for WordPress

The most popular source code plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Embed Extended leads with 400+ active installs, ahead of Power Code Editor (200+) and WP Editarea (100+). All 9 plugins tagged “source code” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 8 source code plugins

  1. 1.
    Embed Extended

    The most installed source code plugin, with 400+ active installs. Rated 5.0 from 6 reviews, last updated 3 years ago. Tested only up to WordPress 6.3.14.

  2. 2.
    Power Code Editor

    200+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 2.9.2.

  3. 3.
    WP Editarea

    100+ active installs. Only 3 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.6.1.

  4. 4.
    CC-Syntax-Highlight

    60+ active installs. Only 1 review so far, updated 1 month ago.

  5. 5.
    JavaScript Obfuscator

    60+ active installs. Only 2 reviews so far, updated 5 months ago.

  6. 6.
    iG:Syntax Hiliter

    30+ active installs. Only 1 review so far, updated 2 months ago.

  7. 7.
    Ignore Code

    20+ active installs. Only 3 reviews so far, last updated 9 years ago. Tested only up to WordPress 4.8.34.

  8. 8.
    Orbisius Snippets

    Fewer than 10 active installs. No reviews yet, last updated 8 years ago. Tested only up to WordPress 4.9.35.

All 9 plugins tagged “source code”