Best constant plugins for WordPress
The most popular constant plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Config Constants leads with 100+ active installs, ahead of constant contact (100+) and Define Constants (40+). All 5 plugins tagged “constant” 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 5 constant plugins
- 1.Config Constants
The most installed constant plugin, with 100+ active installs. Only 1 review so far, updated 2 months ago. Tested only up to WordPress 4.8.34.
- 2.
constant contact100+ active installs. Only 2 reviews so far, last updated 10 years ago. Tested only up to WordPress 4.6.30.
- 3.Define Constants
40+ active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 5.8.19.
- 4.
constant contact form20+ active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.8.34.
- 5.
Simple Constant Contact10+ active installs. Only 3 reviews so far, last updated 10 years ago. Tested only up to WordPress 4.4.34.
All 5 plugins tagged “constant”
Config Constants
Down in the last 7 days:125#15,669by David Gwyer2 months ago
Modify WP_DEBUG and other WordPress constants directly in the WordPress admin rather than manually editing them via wp-config.php!
- Installs
- 100+
- Rating
- 5.0(1)
- Downloads
- 4/day

constant contact
Up in the last 7 days:12#16,387by Adeel Raza10 years ago
This constant contact form plugin automatically add your subscribers email address into your constantcontact.com account.
- Installs
- 100+
- Rating
- 3.0(2)
- Downloads
- 5/day
Define Constants
Down in the last 7 days:284#22,424by ramon fincken5 years ago
GUI in backend to define constants without any programming knowledge. Every file in your theme has access to your constant.
- Installs
- 40+
- Rating
- –
- Downloads
- 0/day

constant contact form
#25,790by gopiplus9 years ago
This constant contact form plugin automatically add your subscribers email address into your constantcontact.com account.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day

Simple Constant Contact
#30,796by Ashton Paul10 years ago
Simple Wordpress Constant Contact Plugin to take name and email and allow to send that information straight to Constant Contact
- Installs
- 10+
- Rating
- 3.3(3)
- Downloads
- 0/day