Automatically adds most relevant tags to posts selecting them from an admin-defined list.
As of April 2026, Smart Tag Insert is a WordPress post plugin with 100 active installations and a 5/5 rating from 3 reviews. It has been downloaded 6.3K+ times in total. Requires WordPress 3.7+ and PHP false+. Available on WordPress.org since 2015. Top alternative: Post Type Switcher.
Once you have defined a list of tags, this plugin will add a box in the post editing page through which look for relevant tags basing on the post content. The most relevant will automatically be selected (although the selection can be changed), and selected tags can be added to the post with a click.
It is also possible to use the plugin to reassign all blog’s posts tags through a handy posts tags rebuilder.
| WordPress | 3.7+ requiredTested up to 6.9.4 |
| PHP | false+ required |
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