Dear Client. I promise you nice File converter app for you.
I have been working with mobile apps (native and hybrid) for many years.
My iPhone, Android apps are uploaded to AppStore and Playstore (I will provide you link if you want)
Cloud service: Amazon web service, Quickblox, Parse, Ejabberd, Openfire, Firebase
Hybrid skill: ionic framework, React native, Xamarin, Titanium
Main skill: Payment integration, SMS integration, Geo location service, Push notification, In app purchase, Database management, Graphic Design
My giant experience will greatly help me to finish your project easily and I hope long term relationship with you.
Best Regards.