Wordpress Permalink Structure 301 Redirect

IN PROGRESS
Bids
12
Avg Bid (EUR)
36
Project Budget (EUR)
€30 - €50

Project Description:
Currently I am using Wordpress v3.4 and using the following Permalink Custom Structure:

/%category%/%postname%-%post_id%.html

Now I want to remove .html and ID from it so I did like this

/%category%/%postname%/

I want to 301 redirect from old structure to new one.

Does anyone have the solution or suggestion?

Skills required:
Wordpress
About the employer:
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