If you want to experience the true awe of the manuscript, I highly recommend viewing the hosted by the National Library of Sweden. Seeing the handwriting, the vibrant inks, and the haunting portrait of the Devil in its original form is far more rewarding than a simple text file.
The Antiquities of the Jews by Flavius Josephus. codex gigas translated to english pdf hot
What you will find online largely falls into a few categories, all of which are translations of the manuscript itself: If you want to experience the true awe