PDFKey Pro
4.3.9
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PDFKey Pro overview
PDFKey Pro can unlock PDF documents protected for printing and copying when you've forgotten your password. It can now also protect your PDF files with a password to prevent unauthorized access and/or restrict usage permissions. PDFKey Pro can also integrate in complex workflows using command-line tools (included).
Features
- Completely unlocks files restoring editing and printing capabilities
- Supports PDF with viewing password set as well (providing the correct password)
- Protects your PDF files with a password to prevent unauthorized access
- Restricts usage, such as printing and copying, permissions with a password.
- Batch processing
- Automatic update system via UpdateFX
- Command Line Tool to use in scripts
- Localized in English, Italian, Russian, German, French, Polish and Dutch
- Free support
What’s new in version 4.3.9
Updated on Sep 22 2017
Version 4.3.9:
- Update bundled Java to JRE8u144
- Bug fixes
Information
License
Downloads
App requirements
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Dec 13 2021
Version: 4.3.9
It fails under Monterey. Launches, but without the familiar windows with the two locks, and it doesn't quit.
Apr 16 2018
Version: 4.3.9
I use PDFKey Pro (v4.3.9) under macOS 10.13.4 and I discover a strange bug. When I set one of both protection options for copying or printing to allowed , I see that still both options not protected in the new created PDF!
The info panel from the preview app shows that printing and copying is still allowed. I think this was quite wrong, wasn't it? Hoping of a fast update fixing this issue… thanks.
Mar 18 2015
Version: 4.1.4
4.1.4 does not launch on Mac Pro, 10.10.2.
3/18/15 11:12:13.823 AM PDFKey Pro[56694]: Failed to find library:
3/18/15 11:12:13.823 AM PDFKey Pro[56694]: .:Failed to launch JVM
3/18/15 11:12:13.824 AM com.apple.xpc.launchd[1]: (com.pdfkey.pdfkeypro.348500[56694]) Service exited with abnormal code: 1
Dec 29 2014
Version: 4.1.0
I just upgraded my OS to 10.10 (Yosemite) and prior app to unlock PDFs so I could edit them (underline, highlight) was not working. I purchased PDFKey Pro and it worked for a while but then stopped working. I reinstalled and tried again but finally gave up and re-purchased the prior app (PDF Recover by Universe GMBH) that I had used for 10.6. It now worked fine. Don't know why PDFKey Pro failed to function but for me it was not a heart-warming experience.
Oct 25 2014
Version: 4.0.2
Just bought this yesterday.
It’s an ok looking app.
But it does what it says on the tin and it darned easy to use.
What sets it apart is Michele’s support and his responsiveness.
He’s worked with me patiently when I mailed him about a set of documents that would not decrypt and has gone over and above what any other developer would do to help me.
For this kind of service, I would have gladly paid twice over what he charges!
Totally recommended!
Sep 30 2014
Version: 4.0.0
This is the developer here: We are preparing an automated upgrade path for PDFKey Pro 3.x users for a discounted price. If you need a new license right now please write us an email and we will generate a discount coupon manually for you.
Sep 30 2014
Version: 4.0.0
Looks like there is no upgrade path for v3.x users :-(
May 23 2014
Version: 3.16
I just tested this on an Acrobat XI Pro passworded/encrypted document and it would not work.
Dec 22 2012
Version: 3.16
The requirements needs to amended. It appears that as of V3.14, PDFKey Pro is Intel Only.
Aug 15 2012
Version: 3.15
Requires Java Runtime 6. But I just installed the last Java Runtime 7 from Oracle. Must my Java downgrade to run. Bummer.
Jul 26 2012
Version: 3.14
Uses Java Runtime, so doesn't work after installing Mountain Lion 10.8 unless you reinstall Java, so I gave it 1/2 star on stability. Due to security issues, I am reluctant to install Java on my Mac. It would be nice if the developer could recompile to run under Mac OS X.
Jun 12 2012
Version: 3.13
Stay away... this is one of those developers who wrote a program for a very specific function and charges way too much, then the very specific function becomes freely available elsewhere and they continue to milk cash by not changing or adding much over the years and again charging way too much for tiny incremental upgrades. They prey on the unsuspecting.
Jul 10 2011
Version: 3.13
I really like PDF Key Pro and used it for several years. For example, I receive regular invoices via mail which are encrypted. I know the password to encrypt the PDF but I prefer to save the PDFs as unencrypted documents for easy review and QuickLook compatibility.
I also have a bunch of PDFs which I could not print or extract single pages. After squeezing them through PDF Key Pro, I can do all those things.
Works great and received several updates. If you need this kind of software, PDF Key is a good joice.
Jul 15 2010
Version: 3.11.0
Well, using Skim instead of Acrobat, you can still copy material from a "copy protected" document (though print protection is ok)... :-(
Where is the protection if there is at least one (free!) app in the world that can break it with no effort?
Mar 22 2010
Version: 3.11.0
Ok, I guess I do not understand this program. When I lock or encrypt a file I do this to the whole file, not copying and printing only. I have a PDF, that I saved over a year ago and cannot remember the "viewing" password, so this program does me no go. I guess there are some people who set PDFs so they cannot be printed or copied, but I have yet to encounter one.
Mar 3 2010
Version: 3.10.2
Fine program for demo use, but you can save yourself $25 with several open source solutions. I recommend mupdf:
http://ccxvii.net/mupdf/
If you can use a terminal, it comes with a program, pdfclean, that will do the exact same thing.
Feb 20 2010
Version: 3.10.2
I have used PDFKey Pro since 2005. Although I only need it about 5 times a year, when I need it, I need it.
It has UNlocked every PDF that I thrown at it.
It is trivial to use.
Highly recommended.
Feb 18 2010
Version: 3.10.2
Just wondering...what's the point of password protecting a PDF with your app then?
If your app can just break it.
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