اَللَّهُمَّ إِنِّي أَسْأَلُكَ الْعَفْوَ وَالْعَافِيَةَ فِي الدُّنْيَا وَالْآخِرَةِ
Transliteration
Allahumma inni as'alukal-'afwa wal-'afiyata fid-dunya wal-akhirah
English meaning
O Allah, I ask You for pardon and well-being in this world and the next.
When is it recited?
Morning, evening, and after prayer.
Source
Ibn Majah, Du'a 5