jPDFSecure is a Java library which can digitally sign PDF documents and change security settings on PDF Documents. With jPDFSecure, your application or Java applet can encrypt PDF documents, set permissions and passwords, and create and apply digital signatures. jPDFSecure is optimized for performance and is built on top of Qoppa's proprietary PDF technology, so there is no need for any third party software or drivers. jPDFSecure has a simple interface to load PDF documents from files, network drives, URLs, and even input streams, which can be generated at runtime or come directly from a database. After changing security settings, jPDFSecure can save the document to a file, a java.io.OutputStream, or a javax.servlet.ServletOutputStream when running in a J2EE application server to output the file directly to a browser. jPDFSecure is platform-independent and can be used in any environment which supports Java.
qPDF Notes is an Android PDF reader and markup tool that can annotate PDF documents, fill form fields, and save your changes. Saved documents are fully compliant with the international PDF standard ISO 32000-1 and Adobe Acrobat. It allows you to add graphical comments, sticky notes, text notes, and text markup (highlight, cross out, and underline). An efficient table view is provided for fast filling of forms. The interface supports multi-touch pinch to zoom, double tap to fit to screen width, continuous page view, and fast PDF search. PDFs can be sent by corporate email and to Dropbox, Evernote, or Bluetooth.
qPDF Viewer is a fast and powerful PDF reader and document search app. It is built on a proprietary PDF engine and provides fast, high fidelity rendering of even password protected files, fast PDF search, continuous page view for easy navigation, multi-touch pinch to zoom, double tap to fit to screen width, a customizable toolbar, no requirement for an SD card, and full support for the PDF standard.
qPDF Toolkit is an Android Java SDK that allows app developers to quickly add PDF functionality to their apps. It provides a wide range of functions that can be used by apps to create custom PDF documents and reports, to allow users to modify documents, and to show PDF content to end users. It can add content to new or existing pages, assemble, split, merge, and combine documents, remove pages, encrypt documents using RC4 or AES, set document permissions, set and get interactive form field data, convert documents to JPEG and PNG images, render pages to Bitmap or Canvas objects, extract text content, and edit document properties.
jPDFPrintCLI is a command-line tool for printing PDF documents. It is built on top of a proprietary PDF engine, so there is no need for any third party software or drivers. Simply run the executable from the command-line and documents can be sent to the printer. Enfocus customers can use jPDFPrintCLI as a plugin or configurator to Switch to enable printing of PDF documents within their workflow.
PDF Password Recovery Analyzer for Mac shows comprehensive information about a PDF file, including the cryptographic algorithm used and estimated time an attacker needs to crack your PDF password. In case you have lost your password, it may take ages to recover it with your home or office PC. PDF Password Recovery Analyzer allows you to connect to a supercomputer and use its computing power to recover your PDF password much faster.
Recover PDF password for Mac recovers passwords for PDF files in case they were lost or forgotten. It unlocks both user and owner passwords for PDF files, so you will be able to open password-protected PDFs, print, edit, and copy them. If your PDF file is only protected with an owner password, you can use the "Decrypt" option and create an unprotected copy of PDF file even without searching for the password. This program features various methods of password recovery: by password length, by template, by dictionary, and exhaustive search method. Dictionary search is a time-saver if you can remember that the password is a word or a word combination or modification. PDF Password Unlocker is optimized for efficient work on multi-core computers for higher password search speed. It supports all versions of Adobe Acrobat up to version 9. PDF Password unlocker for Mac can recover Unicode passwords and passwords created in various languages and keyboard layouts. Recover PDF Password can also remove digital signatures from your PDF files.
PDFvcon is a GUI front-end for Ghostscript that converts the version of a PDF document. If you have software that can accept only up to version 1.4 of a PDF document and the file you have is 1.6, then this is your answer. It was created out of a need for the author to be able use some of his old Windows software.