What are the ways in which you can convert a visitor's visa to working visa for settlement in the USA?

It is impossible to answer this question without fully analyzing the individual facts of your case. If you find a sponsor for employment, you may be able to obtain an employment visa. If you have some funds to invest, you may be eligible for an investor visa. If you have close family in the US, you may be able to be sponsored for a family petition. is a great place to get general information, but it is not a substitute for individually structured legal advice, therefore, your starting point should be a consultation with an immigration attorney. Best of luck!

There are many possibilities, the list is far too long and onerous for a brief, free consultation on the Internet. You'll need to schedule a consultation appointment with an experienced immigration lawyer. Most of us, myself included conduct Skype consultations.

If you want to change the purpose of your visit while in the United States, you (or in some cases your employer) must file a request with USCIS before your authorized stay expires. For instance, if you arrived here as a tourist but want to become a student, you must submit an application to change your status. legal opinions to private parties in matters that may come before immigration officials is inappropriate so hire your own attorney. Good luck.

If you have a potential employer in the U.S., you could probably qualify for an H-1B professional visa. Please see

You could either be sponsored by an employer or a family member, or your could invest your way to a visa. All of the options are highly dependent on your specific personal situation.