Rotating PDF pages is available under the Pages tab. When you need to rotate PDF page(s), just find and click the Rotate button in the submenu. In the pop-up window, you're capable of setting clockwise 90/180 degrees and counterclockwise 90/180 degrees, and set up the page(s) or page range(s) to apply the rotation.
Edit PDF:Rearranging PDF pages
Rotate Pages
Add or Delete pages
In the Page menu, you can also add or delete PDF pages. You can see the Insert and Delete option in the submenu. To add PDF pages, click Insert drop-down list to choose either Blank Page or From PDF. If you choose Blank Page, then a new blank PDF page will be added to the existing PDF file. If you choose from From PDF, it means the whole PDF file you choose will be added to the current PDF file.
Split or Extract pages
If your PDF files is too large to send by email or you just need to spit the whole file into several parts, you can click the Split button under the Page menu. In the pop-up window, set up the splitting measure: by pages or bookmarks. After then, click OK to carry out the splitting.
You can also extract some specific pages from a PDF file by clicking Extract. In the setting up window, choose the specific page or page range(s) to extract.
Replace pages
If you want to replace some pages of the current PDF file with some pages of another PDF file on your computer, you should click Replace in the Page menu. And then, in the pop-up window, choose specify the page(s) to replace and replacement pages.