How to Use the Affix Document Feature in pdfFiller Log in to your pdfFiller account and open the PDF you want to edit. Locate the Affix Document button located under the toolbar. Click on the Affix Document button, and a pop-up window will appear. Select the Add New File button from the pop-up window. More items... Affix Stamp Format. pdfFiller is the best quality online PDF editor and form builder -it's fast, secure and easy to use. Edit, sign, fax and print documents ... Free, no watermarks or registration. Edit PDF files for free. Fill & sign PDFs. Change existing text and links. Find & replace text. Whiteout. Free, no watermarks or registration. Fill & Sign PDF files for free. Fill out PDF forms. Add signature to PDF. Sign PDF. Your tool to eSign documents. Sign a document yourself or send a signature request to others. Upload your file and transform it. Select PDF file. Free online PDF Editor. Easily edit documents and add text, shapes, comments and highlights to a PDF file. Fill out PDF forms and modify your PDF by adding SimplePDF is a website with several PDF editing tools built specifically for editing and filling out PDF forms. While you can't edit existing ... Create new PDF documents and modify existing ones. Create and fill in PDf forms. Create, edit, and remote bookmarks. Encrypt and/or protect PDF ... Free to Fill and eSign PDFs. Start to edit PDF documents online to fill forms and signature on pdf files with WPS PDF tool. Xournal will allow you to draw/write anything on the top layer of any PDF document and then export it back to PDF.