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Best code blocks plugins for WordPress

The most popular code blocks plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Code Manager leads with 500+ active installs, ahead of MarkBlocks (20+) and Vaaky Highlighter (10+). All 5 plugins tagged “Code Blocks” 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 5 code blocks plugins

  1. 1.
    Code Manager

    The most installed code blocks plugin, with 500+ active installs. Rated 4.9 from 9 reviews, updated 3 weeks ago.

  2. 2.
    MarkBlocks

    20+ active installs. No reviews yet, updated 3 months ago.

  3. 3.
    Vaaky Highlighter

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

  4. 4.
    Code Blocks- online code compiler

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

  5. 5.
    Smart Syntax

    10+ active installs. Only 3 reviews so far, last updated 10 years ago. Tested only up to WordPress 4.6.30.

All 5 plugins tagged “Code Blocks”