See the example below to get you started. The full character mappings can be found at the bottom of the page.
Aanzala Allahu alqurA~na Iil'Y rasoolihi muHammadin ((saw)) maweiZa-tan lilnnaasi
أَنْزَلَ ﷲُ الْقُرْأٓنَ إِلٰى رَسُوْلِهِ مُحَمَّدٍ ﷺ مَوْعِظَةً لِلنَّاسِ