اللَّهُمَّ اغْفِرْ لِي ذَنْبِي كُلَّهُ، دِقَّهُ وَجِلَّهُ، وَأَوَّلَهُ وَآخِرَهُ، وَعَلَانِيَتَهُ وَسِرَّهُ
Transliteration
Allahummaghfir li dhanbi kullah, diqqahu wa jillah, wa awwalahu wa akhirah, wa 'alaniyatahu wa sirrah
Translation
O Allah, forgive me all my sins — the small and the great, the first and the last, the open and the secret.
Reference: Muslim 483