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LERsince1991
May 28, 2009, 02:28 PM
Would anyone like to help me find a way to unlock some secure password protected pdf documents.. they are some maths past papers I need to do, all I want to do is add sticky notes to the questions.

Possible to do in cs4/adobe acrobat pro?

Luke.

it says the encryption is 128-bit RC4



design-is
May 28, 2009, 03:07 PM
I'm guessing you don't have the passwords?

LERsince1991
May 28, 2009, 03:13 PM
lol, nope... AQA have the passwords ^^

It would just make it easier to revise some stuff if I had sticky notes in places

MacDawg
May 28, 2009, 03:18 PM
You can try this (http://pdfkey.com/)

People are hesitant to help because they are passworded for a reason
Circumventing that password... well... you know

But software like this is just a Google away

Woof, Woof - Dawg http://homepage.mac.com/k.j.vinson/pawprint.gif

LERsince1991
May 28, 2009, 03:33 PM
that app worked but only does one page...

I think I'll just spend this time writing on paper instead of the sticky notes idea ;)

It's a bit of a shady area anyway

Thanks anyway :)

design-is
May 28, 2009, 04:58 PM
If you can place them into InDesign (depending on the security settings), you could make notes in there... But it kinda takes away the convenience factor.

Infinitygraphix
May 29, 2009, 08:32 AM
I don't have a protected PDF in hand, but here is what I found last time I had one...

Open it in Preview... and try a save as .

When a PDF is protected, you can't copy text form it.. However, from Preview, you CAN... so maybe save as from Preview would work.

hodgeheg
May 29, 2009, 06:56 PM
A program called AEBPR (Advanced eBook Processor) may help. If you google AEBPR you will find it.

I don't know whether it will handle that kind of encryption (I suspect not) but many PDFs it does handle - I use it for similar purposes myself if I want to annotate or edit PDFs.

It's a Windows program, but it works perfectly under WINE and/or Crossover on OS X 10.5 in my experience. Once WINE or Crossover is installed, you simply run the installer, then run the application, which will launch in a demo mode. Then close it, and run Regedit (which WINE includes a version of) and follow the instructions in the archive on how to add the registration key to the registry. Running the program will have added the appropriate key, you just need to put the registration code in a STRING value. It's all in the instructions and takes a minute or so - much easier than it sounds.

Hopefully I'm OK posting this (if not, please remove it - nothing inappropriate intended). It is essentially abandonware - it was released into the wild to get round an Adobe lawsuit against the programmer and also in the hope of getting donations for his defence, Dmitry Skylarov that was big news a few years back. Adobe lost, but the software is no longer for sale and is all over the place on the net quite openly - it's just 'fair use' stuff.

Other than that, something like GuaPDF which is more modern and actually does password cracking rather than simply going round the pathetic security that PDF used to use, so should work on some newer encryption, but takes time. There are probably endless other options out there - google PDF Decryption Mac or something.


The other thing you could do, is if the encryption settings allow for printing, you could just print them to a PDF creation program on a computer. I'm not sure what combination of viewer and creation you would need though - acrobat and acrobat reader won't do what you need, on Mac anyway, as far as I know. Preview.app might.

There's another PDF annotation program called PDFXChange Viewer - again it's a windows program, but it has a portable version which is free and works with WINE and Crossover nicely. It may be more flexible in terms of what it will allow you to print, but I have no way to test it right now. Failing that, some linux viewers may ignore restrictions. Like someone said, Preview used to, but I don't *think* it does any more. I don't have a mac any more to test on, having given up on my macbook air after some hideous service from an Apple Store.

Final possibility (only does one page at a time, but you can specify the page) - Inkscape is a free graphics program capable of editing PDFs. I have NO idea what happens with encrypted ones though, and it will depend not only on the encryption used but also the actual permissions they've set.

rendezvouscp
May 29, 2009, 07:03 PM
As mentioned by hodgeheg, GuaPDF should help. They should have a free trial that may be exactly what you need.

RickDeckard
May 29, 2009, 07:05 PM
ColorSync utility is all you need (at least it worked for me with some locked pdfs), and you already have it on your mac. Open ColorSync, go to File Open, and open your pdf. Then go to File Export, choose PDF, and re-save it as a PDF with no password protection. It worked like a champ for me. Now I only tried this with single page pdfs, so I don't know how it will handle multiple pages.

brucebrendon
May 4, 2010, 04:26 PM
I don't have a protected PDF in hand, but here is what I found last time I had one...

Open it in Preview... and try a save as .

When a PDF is protected, you can't copy text form it.. However, from Preview, you CAN... so maybe save as from Preview would work.

cheers this worked for me, i can now highlight a re-saved version in Preview

Vicbowling
May 4, 2010, 05:17 PM
There are good pdf tools that can do that on Windows computers but unfortunately, I can't think of the name of one at the moment. I wouldn't know what to use to do that on my Mac, but I think the "save as" method should work if you have Adobe Professional installed.

zhuismile88
May 16, 2010, 10:57 PM
PDF Password Recovery 5.0 ,it works well and easy to use.It helps to decrypt protected Adobe Acrobat PDF files.

Hope it help you,you can google it for more imformation.:)

EarthRaid
Jul 28, 2010, 04:53 PM
Colorsync won't allow me to export. It shows a lock in the upper corner. They must have figured that one out : P

Any other tricks out there?

rogert
Jan 27, 2011, 07:56 PM
Just go to this to this site http://www.pdfunlock.com/ then to the browse and put the file in and click on unlock and it works great good luck

freehouse
Mar 19, 2011, 12:47 PM
@Rogert
Man thank you so much, that website works great.

spacecadet1968
Apr 1, 2011, 12:13 PM
@Rogert
awesome, easy to use site -- worked great. Thank You!

angryshortguy
Jun 26, 2011, 06:34 AM
pdfunlock.com wanted $3.99 per file to unlock.
anything out there for free?

QuarterSwede
Jan 22, 2012, 05:24 PM
I'm looking for the same thing. I will mention that there is a difference between PDFs that are locked with a password and ones that are encrypted (you have to put a password in before it can be viewed).

If the PDF is just locked then there are a ton of free tools to unlock them (it's just a lock flag in the file) some of which have been mentioned.

If the PDF is encrypted AND you have the password then PDFKey Pro (http://pdfkey.com/) is the only solution I know of that actually works. It is shareware but it only does 1 page if you haven't purchased it.

If anyone knows of a free solution for encrypted PDFs when the user has the password I'd love to know it.

(For me, I have a church directory that is encrypted and I want to strip the password protection so I can view it on my iPhone without having to put a password in every time).

DesignerOnMac
Jan 23, 2012, 10:16 AM
I'm looking for the same thing. I will mention that there is a difference between PDFs that are locked with a password and ones that are encrypted (you have to put a password in before it can be viewed).

If the PDF is just locked then there are a ton of free tools to unlock them (it's just a lock flag in the file) some of which have been mentioned.

If the PDF is encrypted AND you have the password then PDFKey Pro (http://pdfkey.com/) is the only solution I know of that actually works. It is shareware but it only does 1 page if you haven't purchased it.

If anyone knows of a free solution for encrypted PDFs when the user has the password I'd love to know it.

(For me, I have a church directory that is encrypted and I want to strip the password protection so I can view it on my iPhone without having to put a password in every time).


pdfkeypro works great but as mentioned will only do one page for the free version. If your needing to use password protected PDFs all the time spend the $24.99 for the full version. A small price to pay if you need this all the time.

I had security password credit card statements which for some reason I could not print. None of the suggestions offered helped. The credit card company, of course, would not give me the password. WHen I purchased pdfkey pro, the credit card company credited my account....so a win win for me!

Apple Key
Jan 23, 2012, 11:34 AM
http://www.freemypdf.com/

QuarterSwede
Jan 25, 2012, 11:16 AM
pdfkeypro works great but as mentioned will only do one page for the free version. If your needing to use password protected PDFs all the time spend the $24.99 for the full version. A small price to pay if you need this all the time.

I had security password credit card statements which for some reason I could not print. None of the suggestions offered helped. The credit card company, of course, would not give me the password. WHen I purchased pdfkey pro, the credit card company credited my account....so a win win for me!
If I have the password (which I do) would I be able to unlock it and save it with the app it was created with (in this case Adobe Acrobat Pro)? Would Acrobat or Reader work?

So far, I've only needed to unlock this particular PDF so spending $24.99 on it isn't worth it for me. As a workaround I've just appended the password to the end of the filename.

mpeterson78
Jan 25, 2012, 12:16 PM
http://www.freemypdf.com/

PERFECT! Couldn't be easier :)

umbertovillaniu
Feb 7, 2012, 09:55 AM
use ghostscript, it's free and really easy to use:

gs -sOutputFile=nopassworded.pdf -sDEVICE=pdfwrite -dNOPAUSE -dbatch -q passworded.pdf

Where passworded.pdf is the file with the password and nopassworded.pdf is the new one with no password.

blastair
Feb 10, 2012, 09:24 PM
Thanks to whoever suggested ColorSync. I simply opened the protected PDF in that app, then selected Print-->Save as PDF. Quick and easy, without having to download any additional software. Sweet!

humboldtnews
Apr 27, 2012, 09:42 AM
Thanks! Opening a pdf in Preview and making a copy worked for me to be able to use a password protected pdf!:):):)

BenMore
May 4, 2012, 12:35 AM
I had a similar problem - I also used Preview - just make a duplicate and save it.

andrews04
Apr 8, 2013, 08:02 AM
I couldn’t get rid of PDF password restrictions in spite of trying all the above-mentioned (freemypdf, pdfunlock, etc.) solutions. In the end, pdfsolutions PDF password remover (http://www.mypdfsolutions.com/pdf-password-remover-mac.html) did the job for me. It is an effective & easy-to-use program to remove pdf password. :)

jule74
Jul 9, 2013, 12:20 AM
The ColorSync worked. I had to print instead of export, but is still worked. Here is what I did.

Open ColorSync. Go to File. Click Open and open the file you need to unlock. Then click print. Then click the pdf button at bottom of print screen and Save as PDF. Then enter information and where you want to save. Click save.

Thank you so much. I'm downloading texts for my Securities licenses and want to add stickies and highlights for future reference.

Have a successful day!

eyoungren
Jul 9, 2013, 10:44 PM
I use Ovis PDF Recover (http://pdf-recover.software.informer.com/).

This version (https://dl.dropboxusercontent.com/u/1932210/Ovis.zip) is older but it does not make a watermark if you use it unregistered.

Both versions require purchase if you want to unlock more than one page.

I'm in the newspaper business so most of what I am unlocking are the ad proofs that customers got from another paper and are passing on to us to use in our papers.

The West Valley View is a particular offender. :D

MODS: PLEASE NOTE THAT THE SECOND VERSION I LINK TO IS NOT CRACKED OR ILLEGAL OR ANYTHING ELSE. IT WAS THE VERSION OVIS PROVIDED IN 2006 AS SHAREWARE AND THEY DID NOT USE A WATERMARK FEATURE, BUT LIMITED IT'S USE TO JUST THE FIRST PAGE.

The Hamburger
Sep 2, 2013, 02:38 AM
pdfunlock.com wanted $3.99 per file to unlock.
anything out there for free?

PDFunlock.com worked for me and didn't cost a thing. Did you upload your file which is free and then returned unlocked or did you try to download the program, which they charge for?

navrosh
Sep 9, 2013, 02:47 PM
Yeah.. It worked the way you have mentioned dude. Thank you

I don't have a protected PDF in hand, but here is what I found last time I had one...

Open it in Preview... and try a save as .

When a PDF is protected, you can't copy text form it.. However, from Preview, you CAN... so maybe save as from Preview would work.

leo.mchugh
Sep 30, 2013, 03:27 PM
Open it in Preview. Make a copy. Save the copy - making sure that encryption/passwords etc are turned off.

I wasted a lot of time downloading programs and trying to print to PDF etc, but this simple method worked for me.

Hope it works for you too!

butcherbird
Jul 18, 2014, 11:21 PM
Thank you for the ColorSync tip -- worked using the Print method! Glad to know I can try the Preview method if ColorSync ever fails me.

I appreciate the free unlocker! :)

shreya45
Jul 24, 2014, 08:52 AM
Thank you for the ColorSync tip -- worked using the Print method! Glad to know I can try the Preview method if ColorSync ever fails me.

I appreciate the free unlocker! :)

If you're not concerned about formatting, you can simply upload locked PDF on Google Drive and from there you can download it as a Word File. I also tried free pdf unlocker but it didn't work for me. The program mentioned here http://support.oreilly.com/oreilly/topics/how_do_i_unlock_a_pdf_document_remove_pdf_restrictions works perfectly but it comes with some trial limitations :(

mac.network
Aug 2, 2014, 03:12 AM
Libre Office does a great job of opening PDFs as a Drawing that you can edit and Print to PDF. Much the same as Illustrator.