Finding a free utility to unlock pdf documents is just a matter of single search on Google. On the other hand, Google does not throw up impressive results if you search for something like how to password protect a pdf file. Most of the results points you to the paid utilities.
Here is a software and step by step instructions you can use to password protect your pdf document for free:
The utility is Pdf creator from PrimoPDF
- Once you download the PDF creator and install it. It will appear in the print dropdown. (File > Print). Click OK to convert any document to PDF.
- You will see the screen shown below. Click on Security button.
- On the next window, enter the ‘Password to Open’ which will allow you to password protect your pdf . You can also enter ‘Password to Change Security’. This option allows you to change security settings that:
- Allow users to print my PDF
- Allow users to copy text and graphics from my PDF
- Allow users to add comments
- Allow users to change my PDF, including editing text and adding or removing pages
- Click on OK in the screen shown above. Click OK again on the last screen.
- Your free password protected PDF is ready. Enjoy!
Also see the cool utilities from A-PDF. This company has come up with various solutions to perform operations on PDF files. Some of them are Batch unsecure PDF files, Put page numbers on bottom of PDF, Insert date time stamp to a Acrobat PDF, Split PDFs at pages matching specific text pattern. Check them out.
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The best way to edit a pdf file would be to have Adobe PDF -not the Adobe reader but the Adobe pdf creator. The only problem is that it is expensive and is not in everyone’s reach. If you are looking for a free and easy alternative solution to edit a pdf file or to remove a page from a pdf file, read-on…
The process followed would be to first convert pdf into a word document, edit (or remove the unwanted portion) and then convert it back to pdf.
How can we convert any pdf file into word document?
This may sound trivial but believe me Google search results were nothing short of cr*p. I tried several converters, some gave blank output, some asked for an email but never responded. One of them that did reply, said that my document has errored out and I need to try again! Finally I landed on Pdf2Word Converter. It converted my 0.5 MB sized pdf to word in < 1 min and didn’t ask for any email etc. Yes, it is free.
Now you can edit your word doc, remove page(s) from it, or do anything as you would normally do.
So far so good.
How can we convert word document back to pdf file?
Using the free Primo PDF. It’s a desktop based application to convert any file to pdf file.
Download the pdf creator and run the set up program to install it. There is a catch. Unlike other desktop applications Primo pdf is not accessible from the start menu but from the printer options. To convert a document to pdf, click print and select Primo PDF as your choice for name of the printer. Click Ok. On the next screen select ebook radio button under printer settings and click on ok. Your PDF file is ready! Source
To merge two pdf files into one you can use MergePDF
