The text of the Quran, ayah by ayah. It only displays correctly with the font it was made for.
Uthmani preview of Surah Al-Jinn ayah 28
لِّيَعْلَمَ أَن قَدْ أَبْلَغُوا۟ رِسَـٰلَـٰتِ رَبِّهِمْ وَأَحَاطَ بِمَا لَدَيْهِمْ وَأَحْصَىٰ كُلَّ شَىْءٍ عَدَدًۢا