Aiditorial Article Rewriter is the best article rewriter tool. Aiditorial Article Rewriter provides alot of options to customize the software. 

Watch the video to learn how to download a new language and set it as your default. We currently have English, French, German, Spanish and Italian. You can have multiple languages and switch between them easily. 

ChimpRewriter - Best Article Rewriter - helps rewrite your article in secondsChimpRewriter Article Rewriter checks for duplicate after you rewrite.