Open your document in Rotate Pdf Online , go to the page you wish to separate then click on the Tools option (top right), drop down the Pages tab, choose the Extract option, check the box that says Extract Pages As Separate Files and OK. Save the jpeg where you can find it. If you wish to make it into a PDF instead of keeping it a jpeg open the jpeg in Rotate Pdf Online go to File/Save as/PDF
Finally, if you want to create a text file based on your JPEGs just convert the data as a text file, then choose the Extract option and the Tools tab at the top will display. Press Create for the Text File option. To make multiple pages (e.g. to make a PDF report from a file in a separate window on a computer) you can use the Extract pages function when selecting a page by using the Select page and move and copy button.