Surah Al-Anbya 21:47

وَنَضَعُ ٱلْمَوَٰزِينَ ٱلْقِسْطَ لِيَوْمِ ٱلْقِيَـٰمَةِ فَلَا تُظْلَمُ نَفْسٌ شَيْـًٔا ۖ وَإِن كَانَ مِثْقَالَ حَبَّةٍ مِّنْ خَرْدَلٍ أَتَيْنَا بِهَا ۗ وَكَفَىٰ بِنَا حَـٰسِبِينَ

And We place the scales of justice for the Day of Resurrection, so no soul will be treated unjustly at all. And if there is [even] the weight of a mustard seed, We will bring it forth. And sufficient are We as accountant.

Translation: Saheeh International

Tafsir

And We shall set up the just balances the equitable ones for the Day of Resurrection that is on it and no soul shall be wronged in any way neither by deducting a good deed from its record nor by adding to it an evil one; …

Excerpt from Tafsir al-Jalalayn, commentary on 21:47, via Quran.com. The reader has the full commentary and 9 more tafsirs.