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Best highlight plugins for WordPress

The most popular highlight plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. String locator leads with 100K+ active installs, ahead of Highlighting Code Block (10K+) and Highlight Search Terms (6K+). All 76 plugins tagged “Highlight” 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 highlight plugins

  1. 1.
    String locator

    The most installed highlight plugin, with 100K+ active installs. Rated 4.6 from 125 reviews, updated 1 month ago.

  2. 2.
    Highlighting Code Block

    10K+ active installs. Rated 4.5 from 20 reviews, updated 4 months ago.

  3. 3.
    Highlight Search Terms

    6K+ active installs. Rated 5.0 from 40 reviews, updated 2 days ago.

  4. 4.
    Mark Posts

    1K+ active installs. Rated 4.8 from 10 reviews, updated 2 months ago.

  5. 5.
    Code Prettify

    1K+ active installs. Rated 5.0 from 18 reviews, updated 3 weeks ago.

  6. 6.
    Tooltipy (tooltips for WP)

    1K+ active installs. Rated 4.6 from 68 reviews, updated 4 weeks ago. Tested only up to WordPress 6.8.12.

  7. 7.
    Custom Highlight Color

    900+ active installs. Rated 5.0 from 5 reviews, updated 3 months ago.

  8. 8.
    Mark New Posts

    500+ active installs. Rated 4.8 from 12 reviews, last updated 1 year ago. Tested only up to WordPress 6.7.11.

  9. 9.
    Colored Admin Post List

    400+ active installs. Only 3 reviews so far, updated 4 weeks ago.

  10. 10.
    Featured Post with thumbnail

    300+ active installs. Only 3 reviews so far, last updated 14 years ago. Tested only up to WordPress 3.4.2.

All 76 plugins tagged “Highlight”