Easiest plugin to disable/remove comments from complete site.
Ajax powered admin page to show, edit, add, and remove user meta. Choose dropdown list by User Login, ID, or Display Name.
Easily manage your user's custom meta fields right from your Admin Panel.
Automatically deletes all spam comments older than 15 days.
Delete Duplicate Post, Page, Attachment and Custom Post
This Plugin Truly Enhances WordPress Admin Bar By Adding Many Useful Options For It, Like, Bit.ly Shortlink, Custom Menu in Admin Bar and a lot more.
WP Tag Delete - Tag Assassin, is a simple yet powerful plugin to delete those unused and unwanted tags.
An extremely simple plugin which removes accumulated error log files from your web space.
QPM adds page/post management links for one-click actions as drafting, private/public, opening/closing comments/trackbacks, trashing/deleting, etc
Import, export and delete categories from a csv/text file with category parent, name, description, and slug.
Deletes all unused tags, handy tool if you want to start over with a quick clean blog.
FileManager for WordPress allows you to easily change, delete, organize and upload files.
This plugin allows you to delete content from your WordPress site/blog.
A quick way to disable or delete all approved, pending or spam comments and pings only with one click.
A quick way to delete all pending comments. Useful for victims of spammer attacks.
Removes the default admin bar from the front end of your site.
This plugin eliminates the selected-duplicated posts and pages from your blog.
You can now delete menu items with one-click, without having to open the ‘menu edit’ box.
This plugin used for add edit delete and listing module at admin side.Also user can search and sort records.
This plugin will help you to manage your upload folder, identify useless files and remove them and save space.
Deletes duplicate posts from the database (without affecting menus) each time a new post is published.
Remove every instance of a custom field from your site.
Plugin para gerenciar as postagens(visualização/deleção) de seu blog de forma facil
删除不需要的文章，节省空间，提高速度。delete posts which don't need any more,keep database clean and fast.
Mass Page Remover makes it easy to remove multiple pages at once.
Delete posts on your WordPress blog by keyword searching
Automatically deletes older articles that have not been read, based on WordPress.com stats.
Deletes all tags, handy tool if you want to start over with a quick clean blog.
This plugin will allow your users to delete their own account without any need for interaction on the administrator's behalf.