No,
Project Free TV is Not Safe To Use.
Project Free TV is an online streaming website that hosts thousands of other sites links which are hosting copies of popular TV shows and movies.
The creators of Project Free TV are great at manipulating legal loopholes.
To get Internet Service Providers (ISP), Copyright holders are seen frequently petitioning courts to block this kind of services. Since November 2013, the website has been blocked in the UK.
Useful link: Project Free Tv is safe or not?