Best steel plugins for WordPress
The most popular steel plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Steel Hardness Calculator leads with 10+ active installs. All 1 plugins tagged “Steel” 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 steel plugins
- 1.
Steel Hardness CalculatorThe most installed steel plugin, with 10+ active installs. Only 1 review so far, last updated 9 years ago. Tested only up to WordPress 3.4.2.