Any article rewriter or paraphrasing tool basically scans through the content you provide it in order to look for all the words that it can replace with suitable synonyms or substitutes. Every replaced word will appear bold and highlighted in a colorful text. Clicking on the word will give you details such as original word or other suggestions, you also have an option to add your own word. By clicking on the original word, you can go back to original.
The method is very simple, if you have the know-how of computers and internet then using this tool should be no trouble for you. All you have to do is copy and paste your text or article in the text box, and then click on the button saying “Re-write Article”. If you would like to play a little with this article rewriter tool before you go for it then you can use one of the given samples and watch it do its thing.