Best custom key plugins for WordPress
The most popular custom key plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Custom Field Widget leads with 200+ active installs, ahead of Advanced Custom Field Widget (100+). All 3 plugins tagged “custom key” 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.
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Top 2 custom key plugins
- 1.
Custom Field WidgetThe most installed custom key plugin, with 200+ active installs. Only 4 reviews so far, last updated 13 years ago. Tested only up to WordPress 2.6.1.
- 2.
Advanced Custom Field Widget100+ active installs. Only 3 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.1.42.
All 3 plugins tagged “custom key”
Custom Field Widget
Down in the last 7 days:8#12,646by scottwallick14 years ago
The Custom Field Widget displays values of custom field keys, allowing post- and page-specific meta sidebar content with limitless applications.
- Installs
- 200+
- Rating
- 5.0(4)
- Downloads
- 11/day
Advanced Custom Field Widget
Up in the last 7 days:40#13,752by athenaofdelphi11 years ago
The Advanced Custom Field Widget is an extension of the Custom Field Widget by Scott Wallick, and displays values of custom field keys.
- Installs
- 100+
- Rating
- 4.3(3)
- Downloads
- 11/day