If you just Google "meta generator" I'm sure you'll find something. To check your backlinks, visit Yahoo Site Explorer. Chrome SEO can also provide you with good SEO-info.
Put this keyword - "Meta Tag Generator Tool" and you will get various tools listed in the SERPs of Google like as -- submitexpress.com/meta-tags-generator.html and like this you can find various link popularity checker tool online - also one of this site too.
I'm not sure why you will need a meta tag generator. All you need is a keyword research tool and manually insert that into the html code