To extract pages from a PDF using pdfFiller, simply follow these steps: 1. Open the PDF document in pdfFiller. 2. Click on the 'Pages' tab in the top menu. 3. Select the 'Extract' option. 4. Choose the specific pages you want to extract by clicking on them. 5. Click on the 'Extract' button. 6. Save the extracted pages as a new PDF file. That's it! You have successfully extracted pages from a PDF using pdfFiller.