Obviously it's all in Japanese as there's no announced localization yet, but randomly clicking stuff works out fine. It's very deep and includes everything from the final version, all races and classes.
Download link is the big blue button at the bottom of the page, then click a mirror to download.
Just a word of warning, I spent 30minutes making the perfect character then hit the next button down which turned out was the "random all" button, it did not end well. Luckily there's an undo button.
If anyone bothers to download it, post your creations.