PDF can be considered one of the most universal document formats on the web, but editing PDF files is not an easy task. When it comes to editing PDFs, many people immediately think of Adobe Acrobat. However, Adobe Acrobat is not a free software, and its price is relatively high. Today, I would like to introduce a free PDF file editing tool to everyone - PDFill! PDFill is a good free PDF file editing tool.
With PDFill, you can:
Merge PDF files.
Split a PDF file into several parts.
Encrypt/decrypt PDF files.
Rotate and crop PDF pages.
Adjust formatting.
Add headers and footers.
Add watermarks.
Convert images to PDF.
Convert PDF to images.
PDF file editing - Download Address for PDFill
Related tool: Free PDF reader - Foxit PDF Reader Download Address: http://www.pdfyueduqi.net.cn/pdf/foxit-pdf-reader/