Instructions
Go to Calibre-ebook.com/download to download and install Calibre.
Go to the website that has the fan fiction you want to convert to an eReader format.
Highlight the text of the fan fiction. Click "Ctrl" plus "C" to copy it to the clipboard.
Click the Windows "Start" button. Type "Notepad," and press "Enter." Press "Ctrl" plus "V" to paste the fan fiction text into the blank Notepad document on screen. Click the "File" menu and select "Save." Name the document, choose a location on your hard drive to store the fan fiction and click "Save." Close Notepad.
Open Calibre.
Click the "Add Book" icon. Navigate to the place on your hard drive where you stored the fan fiction. Double-click the file name to add it to your Calibre library.
Click on the name of the fan fiction in Calibre. Click the "Convert" icon to bring up the conversion dialog box.
Click the output format menu in the upper right and choose an appropriate format for your eReader. For the Kindle, select ".MOBI." For the Nook or Sony Reader, select ".EPUB." Click "Convert." After Calibre converts the fan fiction, follow the steps for your device to copy it to your eReader.