By using PDFill PDF Tools 7.0 (Free and No Watermark), you can easily merge pdf files; Split or Reorder pages; Encrypt and Decrypt Options; Rotate or Crop PDF Pages; Reformat Multiple Pages; Add Header and Footer; Add Watermark by Text; Add Watermark by Image; Convert Images to PDF; Convert PDF to Images; PDF Form Field Operations; Convert PostScript into PDF; Add PDF Information; Scan into Image or PDF; and Create Transparent Image.ENCRYPT AND DECRYPT OPTIONSTo encrypt and decrypt your pdf file, you just need to click Encrypt and Decrypt Options button, then choose your pdf file that you want to encrypt and decrypt. Now you will se the Free PDF Tools: Encrypt and Decrypt dialogue box. You should fill the queastion such as User Password; Owner Password; Encryption Level: 40-bit RC4 or Encryption Level 128-bit RC4; Security Options: Printing, Modify Contents, Copy, Modify Annotations, Fill In, Screen Readers, Assembly and Degraded Printing.ROTATE OR CROP PDF PAGESFrom the Free PDF Tools: Rotate and Crop PDF Pages dialogue box, you can fill the Page Number; Rotation: 0, 90, 180, 270 degress; Crop Box: Left Margin, Right Margin, Bottom Margin, Top Margin; All Pages; Landscape Page only; Portrait Page only; Odd Page; Even Page.REFORMAT MULTIPLE PAGESFrom the Free PDF Tools: Reformat PDF dialogue box, you set the PDF Page size such as Letter, Legal, Executive, A4, Envelope # 10, Envelope DL, Envelope C5, Envelope B5, Envelope Monarch, 3.5″x5″, 4″x6″, 5″x7″, 8″x10″, 10″x13″, Custome Size; Portrait; Landscape; Width; Height; Page Margin From Edges: Left, Top, Right, Bottom; Margin between Pages: Vertical, Horizontal; Number of Columns; Number of Rows; Line’s Color; Show old page border; Show Note Lines.ADD HEADER AND FOOTERYou can add and footer on your PDF file. You just need to click Add Header and Footer button, then you will see the Free PDF Tools: Add Header and Footer. There some forms you shoul fill, such as: Header: Add on First Page, Show Page Number, Text before Page Number, Text after Number, Alignment, Page Offset; Add Footer: Add on First Page, Show Page Number, Text before Page Number, Text after Number, Alignment, Page offset; Text Properties: Font Encode (western, Chinese_GB2312, CHINESE_BIG5, Hangul(Johab), Hangul, Japanese, Baltic, Central European, OEM/DOS, Mac, Cyrilic, Symbol, Turkish, Greek, Arabic, Hebrew, Thai, Vietnamese), Font Name, Font Size, Font Style, Font Color; Margin From Edges: Left, Top, Right, Bottom.ADD WATERMARK BY TEXTYou can add watermark by text on your PDF file. From the Free PDF Tools: Add Watermark by Text dialogue box you can fill the form such as String; Font Encode: western, Chinese_GB2312, CHINESE_BIG5, Hangul(Johab), Hangul, Japanese, Baltic, Central European, OEM/DOS, Mac, Cyrilic, Symbol, Turkish, Greek, Arabic, Hebrew, Thai, Vietnamese; Font Name; Font Color; Layout: Horizontal, Vertical, Diagonal; Stroke Size; Order: Background, Foreground; Font Style; Stroke Color; Draw Type: Stroke, Fill, Fill and Stroke, Invisible.CONVERT PDF to ImageYou can covert your PDF file to png, jpg, bmp, tiff.PDF FORM FIELD OPERATIONSThe form operations such as: Delete all PDF Form Fields; Flatten all PDF Form Fields; List all PDF Form Field’s Name and Value; PDF Editor for a Single Field.ADD PDF INFORMATIONThe informations that you can add such as: Title; Author; Subject; Keywords; Created; Creator; PDF Version: PDF Version 1.5: Adobe Reader 6.x, PDF Version 1.4: Adobe Reader 5.x, PDF Version 1.3: Adobe Reader 4.x, PDF Version 1.2: Adobe Reader 3.x.You can download PDFill PDF Tools 7.0 (Free and No Watermark) from:http://www.pdfill.com/download/PDFill_X32.exe