Remove Arabic Diacritic remove (Tashkeel / Harakat) from any given Arabic string without removing letters . Usage final normalizer = ArabicNormalizer(); const ayah = "الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ"; print(normalizer.normalize(ayah)) // الحمد لله رب العالمين