Dua after completing recitation of the Quran
سُبْحَانَكَ اللَّهُمَّ وَبِحَمْدِكَ، لَا إِلَهَ إِلَّا...
سُبْحَانَكَ اللَّهُمَّ وَبِحَمْدِكَ، لَا إِلَهَ إِلَّا أَنْتَ، أَسْتَغْفِرُكَ وَأَتُوبُ إِلَيْكَ
Subhanakal-lahumma wabihamdik, la ilaha illa ant, astaghfiruka wa-atoobu ilayk
Translation
How perfect You are O Allah and I praise You. None has the right to be worshipped except You. I seek Your forgiveness and turn to You in repentance.
When to recite
Recited upon completing a full reading or recitation of the Quran.
Source / Reference
An-Nasa'i (Al-Kubra) 8/223, Al-Hakim 1/755