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Best yaml plugins for WordPress

The most popular yaml plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. SyntaxHighlighter Evolved leads with 50+ active installs, ahead of AISignal Markdown Converter (10+) and Theme YAML (10+). All 4 plugins tagged “yaml” 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 4 yaml plugins

  1. 1.
    SyntaxHighlighter Evolved

    The most installed yaml plugin, with 50+ active installs. Only 2 reviews so far, last updated 12 years ago. Tested only up to WordPress 4.8.34.

  2. 2.
    AISignal Markdown Converter

    10+ active installs. Only 2 reviews so far, updated 1 month ago.

  3. 3.
    Theme YAML

    10+ active installs. Only 2 reviews so far, last updated 3 years ago. Tested only up to WordPress 6.3.14.

  4. 4.
    YAML Custom Fields

    Fewer than 10 active installs. No reviews yet, updated 1 month ago.

All 4 plugins tagged “yaml”