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Best functions plugins for WordPress

The most popular functions plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Code Snippets leads with 1M+ active installs, ahead of Foxtool All-in-One (6K+) and WP EXtra (6K+). All 16 plugins tagged “functions” 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 functions plugins

  1. 1.
    Code Snippets

    The most installed functions plugin, with 1M+ active installs. Rated 4.7 from 510 reviews, updated 2 days ago.

  2. 2.
    Foxtool All-in-One

    6K+ active installs. Rated 5.0 from 20 reviews, updated 2 months ago. Tested only up to WordPress 6.9.11.

  3. 3.
    WP EXtra

    6K+ active installs. Rated 4.9 from 41 reviews, updated 2 months ago.

  4. 4.
    WPS Child Theme Generator

    6K+ active installs. Only 2 reviews so far, updated 2 months ago.

  5. 5.
    WP Feature Disable

    70+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 2.8.6.

  6. 6.
    WP Customizer

    20+ active installs. Only 2 reviews so far, last updated 8 years ago. Tested only up to WordPress 4.8.34.

  7. 7.
    Add Functions

    10+ active installs. Only 2 reviews so far, last updated 14 years ago. Tested only up to WordPress 3.2.1.

  8. 8.
    StartBox Easy Hooks

    10+ active installs. Only 1 review so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.

  9. 9.
    LCT Useful Shortcodes & Functions

    10+ active installs. Only 1 review so far, updated 9 months ago. Tested only up to WordPress 6.7.11.

  10. 10.
    Bloginfo

    10+ active installs. No reviews yet, last updated 6 years ago. Tested only up to WordPress 5.3.27.

All 16 plugins tagged “functions”