Limited-Time Offer

Get Extra 20% off on FullCharge Yearly Plan — available for first 10 users only. Don’t miss out! 🚀

TrackWP

Best preprocessor plugins for WordPress

The most popular preprocessor plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Less PHP Compiler leads with 3K+ active installs. All 1 plugins tagged “preprocessor” 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 1 preprocessor plugins

  1. 1.
    Less PHP Compiler

    The most installed preprocessor plugin, with 3K+ active installs. Only 4 reviews so far, last updated 8 years ago. Tested only up to WordPress 4.1.42.

All 1 plugins tagged “preprocessor”