WP Mass Delete

This plugin is intended to mass delete WordPress posts and pages. Please use it with caution!

Date interval  – 

set the date interval, or leave these fields blank to select all posts. The dates must be specified in the following format: YYYY-MM-DD

Type of items to delete  – posts     – pages
Post status  – published     – scheduled     – pending     – draft     – private
If post contains  then 
Delete it
Don’t delete it
Bypass trash

enable this option to completely delete the specified posts.