You can easily paste your text on a page and save it as such. For example what I do is I paste my text on a Photoshop document and then save it as the necessary .JPEG. For me, this can mean uploading a good 20+ pages. each one a .JPEG document of text.
It might take a little editing to get yourself in your preferred spot, but it's just a matter of pasting the text in a .JPEG files and saving it as such.