Plugins you need to get your projects done
delete-all-comments
3 Plugins
Delete Comments By Status
Delete all comments by selecting the comment status from your WordPress admin.
Comments Deletion
Comments deletion is a plugin that quickly removes all comments and resets the comment count icon. Administrators can quickly remove ALL comments...
WP Delete Comments
WP Delete Comments allows you to delete your Pending, Approved, Spam, Trash or All of your comments.