If you're interested in reading the Bible portion, any standard English Bible (KJV, NRSV, etc.) corresponds to the Latin Vulgate text found in the Codex. For the other historical and medical texts, you'll need to consult academic sources or learn Latin.
However, I need to provide you with important context before sharing any resources. First, a crucial fact: There is no complete, publicly available English translation of the entire Codex Gigas in PDF form. If you're interested in reading the Bible portion,
I understand you're looking for the Codex Gigas (also known as the "Devil's Bible") and specifically a full English translation in PDF format with a free, updated download link. any standard English Bible (KJV