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Best code syntax plugins for WordPress

The most popular code syntax plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Syntax-highlighting Code Block (with Server-side Rendering) leads with 1K+ active installs, ahead of io Code Highlight (100+) and Code Snippets in Comments (fewer than 10). All 3 plugins tagged “code syntax” 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 3 code syntax plugins

  1. 1.
    Syntax-highlighting Code Block (with Server-side Rendering)

    The most installed code syntax plugin, with 1K+ active installs. Rated 5.0 from 26 reviews, updated 5 months ago.

  2. 2.
    io Code Highlight

    100+ active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 6.0.18.

  3. 3.
    Code Snippets in Comments

    Fewer than 10 active installs. No reviews yet, last updated 6 years ago. Tested only up to WordPress 5.4.25.

All 3 plugins tagged “code syntax”