PDF Security, DRM, Protection and Distribution Management technologies are used as a copyright enforcement mechanisms and sometimes as an alternative mechanism to copyright law.

Granting exclusive ownership rights to authors and creators through Copyrights, Security and DRM, allows for a better chance of enrichment of more and more creativities and cultural products, and they can nominally compensate their efforts and costs.

Intellectual efforts for producing a product or artifact must be appropriately prizes and we must prevent people to benefit from such products free of charge. PDF Security and DRM provides a better base for protecting contents against illegal distributions, usages and sells. PDF Security and Digital Rights Management (DRM) systems are provided to ease distribution of PDF documents for end users by enforcing some usage and distribution limitations like printing, copying, save, transfer and…

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doPDF is a free PDF converter for both personal and commercial use. Using doPDF you can create PDF files by selecting the “Print” command from virtually any application. With one click you can convert your Microsoft Excel, Word or PowerPoint documents or your emails and favorite web sites to PDF files.

Main benefits for using this free PDF converter:

* It’s free – PDF converter free for both commercial and personal use.
* 32-bit and 64-bit support – can be installed on both 32-bit and 64-bit Windows operating systems.
* No GhostScript or .NET – doesn’t require 3rd party programs to do PDF files such as GhostScript or runtime environments like the .NET Framework. This makes the setup file to be incredibly small compared to other free PDF converters.
* Customizable resolution – you can choose any resolution from 72 to 2400 dpi.
* Predefined/custom page sizes – choose a default page size (Letter, Legal, A4, A5, A6, …) or enter your own custom page size.
* Searchable PDFs – you can search for text within the created PDF file (and search engines will also index the text from the PDF).
* Multi-language – choose a language for the user interface from the 20 languages currently supported (credits).
* Do your part in saving the planet – instead of consuming paper to print your document, why not create a PDF file out of it and spare a couple of planet-saving trees?
* Barely uses any computer resources – compared to other free PDF converters, doPDF barely uses any memory or CPU resources when doing the actual conversion to PDF.

doPDF is a free PDF converter, it is not a PDF viewer. To view PDF files you will need the free Adobe Reader.

PDF Download made by Nitro and this is the best program to manage pdf files on firefox, flock and also internet explorer. This browser extensions allow you convert web pages to high-quality PDFs that are ideal for archiving, printing and sharing. also with this extension you can view or convert PDF files as Html to eliminate browser problems by instantly converting any Web-based PDF to a browser-friendly HTML Web page.

features:

* Convert Web pages to PDF (NEW). Convert Web pages into great looking PDF files, and then save, share, print or archive them.
* Convert/view PDF as HTML. View the contents of PDF files faster and eliminate browser problems by instantly converting any Web-based PDF to a browser-friendly HTML Web page.
* Control PDF files in your favorite browser. Stop crashes and get the upper hand on Web-based PDF files by automating and controlling how your Web browser deals with them.
* Cross platform, cross browser. Use PDF Download with Flock 1, Firefox 2 & 3, and Internet Explorer 7 & 8; on Windows, Mac and Linux machines.
* Works in your language. Through the help of our users, PDF Download is now available in 19 languages and counting.

doPDF6.1 installs itself as a virtual PDF printer driver so after a successful installation will appear in your Printers and Faxes list. To convert to PDF, you just have to print the document to doPDF, the free pdf converter. Open a document (with Microsoft Word, WordPad, NotePad or any other software), choose Print and select doPDF. It will ask you where to save the PDF file and when finished, the PDF file will be automatically opened in your default PDF viewer.

If you dont want install adobe reader 9 because it too large , you can install this small program to read and open pdf files , Foxit PDF Reader . Free program that can read PDF documents.

Features:

* Incredibly small: The download size of Foxit Reader is only 2.55 M which is a fraction of Acrobat Reader 20 M size.
* Breezing-fast: When you run Foxit Reader, it launches instantly without any delay. You are not forced to view an annoying splash window displaying company logo, author names, etc.
* Annotation tool: Have you ever wished to annotate (or comment on) a PDF document when you are reading it? Foxit Reader allows you to draw graphics, highlight text, type text and make notes on a PDF document and then print out or save the annotated document.
* Text converter: You may convert the whole PDF document into a simple text file.
* High security and privacy: Foxit Reader highly respects the security and privacy of users and will never connect to the Internet without users’ permission. While other PDF readers often silently connect to the Internet in the background. Foxit PDF Reader does not contain any spyware