I use
PDFill PDFTools which is freeware
FEATURES
1.
Merge Merge or Combine two or more PDF files into a single PDF file.
2.
Split, Reorder or Delete Split, Extract, Reorder or Delete PDF pages from a PDF file into a new file.
3.
Encrypt and Decrypt with Security Options Encrypt or Decrypt PDF documents (Master Password or User Password may be required). Protect PDF files with passwords and prevent PDF files from being printed, copied, changed, filled, extracted, signed, assembled or merged. Supports Adobe® Standard 40-bit Encryption and Adobe® Advanced 128-bit Encryption
4.
Rotate and Crop Rotate a PDF page by 0, 90, 180 and 270 degree. Crop a page to modify its layout of Print or View by specifying its margins.
5.
Reformat Put multiple pages into one page to save paper and inks when printing hard copies. Add note lines for handout.
6.
Header and Footer Add Headers and Footers to present information, such as date, time, page numbers, or the title of the document, in the top or bottom margins of a document.
7.
Watermark by Stylized Text Add Stylized Text Stamp.
8.
Watermark by Image Add Stamp using image file (bmp, jpg, gif, png, tiff, and wmf).
9.
Convert Images to PDF Convert images (bmp, jpg, gif, png, tiff, and wmf) into a PDF file with layout options.
10.
Convert PDF into images Save PDF pages into images (png, jpg, bmp and tiff) with DPI options.
11.
PDF Form Fields: Delete, Flatten, List Delete, Flatten or List the PDF Form Fields inside a PDF file.
12.
Convert PostScript(PS) File into PDF Covert PS files into PDF files so Adobe Reader can read them.
13.
Add Information Add information (title, author, subject, keywords, created, creator, producer, version) to PDF documents.
14.
Free Scanner Scan your paper form or photo as an image file (PNG, JPG, BMP, TIF, GIF) or a PDF file.
15.
Create Transparent Image Create a transparent image with options to adjust transparency options.