New Living Translation
O LORD of Heaven’s Armies, you test those who are righteous, and you examine the deepest thoughts and secrets. Let me see your vengeance against them, for I have committed my cause to you.

American Standard Version
But, O Jehovah of hosts, that triest the righteous, that seest the heart and the mind, let me see thy vengeance on them; for unto thee have I revealed my cause.

Berean Study Bible
O LORD of Hosts, who examines the righteous, who sees the heart and mind, let me see Your vengeance upon them, for to You I have committed my cause.

Douay-Rheims Bible
And thou, O Lord of hosts, prover of the just, who seest the reins and the heart: let me see, I beseech thee, thy vengeance on them: for to thee I have laid open my cause.

English Revised Version
But, O LORD of hosts, that triest the righteous, that seest the reins and the heart, let me see thy vengeance on them; for unto thee have I revealed my cause.

King James Bible
But, O LORD of hosts, that triest the righteous, and seest the reins and the heart, let me see thy vengeance on them: for unto thee have I opened my cause.

World English Bible
But, Yahweh of Armies, who tests the righteous, who sees the heart and the mind, let me see your vengeance on them; for to you have I revealed my cause.

Young's Literal Translation
And, O Jehovah of Hosts, trier of the righteous, Beholder of reins and heart, I do see Thy vengeance out of them, For unto Thee I have revealed my cause.

Jeremiah 20:12 Additional Translations ...