How the page of a PDF file rotates direction

Now there are a lot of documents are the format of the PDF, usually receive documents and download some document files will encounter the pdf file, but if the resulting PDF file page is reversed, unable to properly view the document content, then how to do, how to rotate the PDF file page and save it?

General view browse PDF files are open through the PDF Reader, open the pdf file with a reader, if the page is reversed, you can right click on the page, by rotating the command to change the direction of the page.
PDF Reader While viewing the document can rotate the page orientation, so as to view the contents of the document normally, but the save is turned back to the original appearance, this is because the reader does not have the ability to modify the PDF file. In addition, the reader rotates all pages at the same time, and cannot be individually on a page.
If you need to save the page rotation results, then you have to use the PDF editor to set up, first open the editor, and then select "File-Open", select the need to manipulate the PDF file.
When the file opens, right-click in the page Thumbnail pane and select "Rotate Page" in the pop-up command, the Rotate Page dialog box pops up.
In the Rotate Page dialog box, you can set the rotation direction and the rotated page. After setting the confirmation point, so that the page is rotated successfully, finally remember to save the document, save the document after the page will be rotated after the look.
If you only need to view, rotate the page in the reader, if you want to save the page rotation results, the PDF editor to rotate the page before saving. We can choose different operation methods according to the situation.

How the page of a PDF file rotates direction