Best existence plugins for WordPress
The most popular existence plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. If File Exists leads with 30+ active installs, ahead of Deltadromeus Email Checker (fewer than 10). All 2 plugins tagged “existence” 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 existence plugins
- 1.
If File ExistsThe most installed existence plugin, with 30+ active installs. Only 1 review so far, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 2.
Deltadromeus Email CheckerFewer than 10 active installs. Only 1 review so far, last updated 7 years ago. Tested only up to WordPress 5.2.30.
All 2 plugins tagged “existence”
If File Exists
Up in the last 7 days:279#24,519by Scott Reilly1 year ago
Check if a file exists and return true/false or display a string containing information about the file.
- Installs
- 30+
- Rating
- 5.0(1)
- Downloads
- 11/day
Deltadromeus Email Checker
Down in the last 7 days:6,681#57,281by Deltadromeus7 years ago
Easily add your custom Deltadromeus Email Checker script URL to your website in order to use Email Checker service. Easily enable or disable email add …
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day