Sayyid al-Istighfār: The Best Prayer for Seeking Forgiveness
اللهم أنت ربي، لا إله إلا أنت ، خلقتني وأنا عبدك، وأنا على عهدك ووعدك ما استطعت أعوذ بك من شر ما صنعت أبوء لك بنعمتك علي، وأبوء بذنبي، فاغفر لي فإنه لا يغفر الذنوب إلا أنت
[Allāhumma anta rabbī, lā ilāha illā anta,, khalaqtanī wa-anā ʿabduka, wa-anā ʿalā ʿahdika wa-waʿdika mā’istaṭaʿtu, aʿūdhu bika min sharri mā ṣanaʿtu abūʾu laka bi-niʿmatika ʿalayy, wa-abūʾu laka bidhanbī, fa’ighfir lī fa-innahu lā yaghfir al-dhunūba illā ant]
O Allāh, You are my Lord, there is no God but You. You created me and I am Your servant, and I abide by Your covenant and promise (to honor it) as best as I can. I seek refuge in You from the evil that I have committed. I acknowledge Your favor upon me, and I acknowledge my sin, so forgive me, for surely none can forgive sins but You...