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Best markup plugins for WordPress

The most popular markup plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Preserved HTML Editor Markup Plus leads with 3K+ active installs, ahead of Markup by Attribute for WooCommerce (2K+) and Preserved HTML Editor Markup (600+). All 31 plugins tagged “markup” 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 10 markup plugins

  1. 1.
    Preserved HTML Editor Markup Plus

    The most installed markup plugin, with 3K+ active installs. Rated 4.2 from 36 reviews, last updated 6 years ago. Tested only up to WordPress 5.3.27.

  2. 2.
    Markup by Attribute for WooCommerce

    2K+ active installs. Rated 4.5 from 28 reviews, updated 1 month ago.

  3. 3.
    Preserved HTML Editor Markup

    600+ active installs. Rated 5.0 from 42 reviews, last updated 8 years ago. Tested only up to WordPress 3.4.2.

  4. 4.
    SCHEMA for Article

    200+ active installs. Rated 4.8 from 5 reviews, last updated 8 years ago. Tested only up to WordPress 5.0.31.

  5. 5.
    Code Markup

    200+ active installs. No reviews yet, last updated 18 years ago. Tested only up to WordPress 2.5.

  6. 6.
    51Blocks JSON Schema Generator

    100+ active installs. Rated 5.0 from 5 reviews, last updated 11 years ago. Tested only up to WordPress 3.4.2.

  7. 7.
    Remove Empty P

    90+ active installs. No reviews yet, last updated 12 years ago. Tested only up to WordPress 4.0.38.

  8. 8.
    Prettify Code Syntax

    70+ active installs. Rated 4.2 from 12 reviews, last updated 13 years ago. Tested only up to WordPress 3.5.2.

  9. 9.
    Parsedown for WordPress

    60+ active installs. Only 2 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.2.39.

  10. 10.
    Shownotes

    40+ active installs. Only 1 review so far, last updated 4 years ago. Tested only up to WordPress 5.7.21.

All 31 plugins tagged “markup”