PDF are great way to share document these days. We often protect our PDF with password so that nobody else can change the content of these PDF files which you share exclusively, so we often forget or misplace the password as well. A PDF Password remover is a program which is capable of removing, or bypassing the security imposed so that you can freely edit, print your PDF files which are in protected mode.
Each PDF file may have one or two Password, one of them is called PDF User password, and other is PDF Owner password. PDF Owner password is master password, if you have this password you can do anything with the PDF files including changing or editing the content. Whereas PDF User password is used to grant some of access to PDF files by means of a password. Usually all PDF’s are readable without password, but in some cases you also need User password for reading/opening the PDF file.
Most of the PDF password tools are paid ones, but these days many free tools are also available which can do the required. Some of these free PDF Password recovery/removal are listed below with links to their site -
1. FreeMyPDF Online Password removal –

FreeMyPDF.com - Free PDF Password Removal
FreemyPDF is a free password removal website, it can remove password from any PDF which does not require a password to open the file or read the content. If a PDF file is locked with password to open it, This site can not remove or recover the password. To remove password from protected file, all you need to do it upload your file on site, wait for few minutes and it will generate the PDF file after removal of Protection, which you can instantly download.
The Maximum file size limit for uploading and downloading file is 150MB. It can remove AES encryption. Best thing about FreemyPDF is the speed and ease of use. You do not need to install any software or download anything but your PDF file. To remove password only thing you need is an internet connection. You can use it with any Operating system as this is used online, this makes it one of the best tool.
2. PDF Password Remover Online –
PDF Password remover online is another great tool like FreemyPDf but it supports removal of both Owner password and User password. Also it can decrypt files which require password to open files provided you know the password. Essentially it is same as previous tool as if you know password to read the PDF, you can essentially read it. Only difference is FreemyPDF cannot decrypt such PDF even if you know the password.
Again it does not find the password but generates a password free file within seconds. It also have same features and same advantages as FreemyPDF. But it Do not support DRM encrypted PDF, Digital Certificate encrypted PDF and 3rd Party Encrypted PDF.
3. PDFCrack –
After 2 Online tools mentioned above, it is time to discuss offline tools. PDFCrack comes first in line, It is a command line, light weight application which is free being open source. It is actually a password recovery tool and not the removal tool, meaning it will recover and tell you the password to remove the protection. It can recover both user and Owner password for PDF files.

PDFCrack - PDF Password Recovery Tool
If you don’t need to know actual password and only need to bypass the security, you should use one of the online tool discussed above, but if you wish to know the password this is the best tool for your usage. It works on Windows 7, vista, XP and Linux. It also supports 64 bit version of mentioned Operating systems.
4. PDFCrypt –
PDFCrypt is desktop version of PDF Password remover online discussed above. It is another command line version tool. It can remove the PDF password in the same manner as online version does. It is advisable to use this tool only of you do not have internet access on your computer or for some reason you do not want to upload file. Otherwise it is always better to use online tool because of simplicity in use.
This is one tool which can be used for Encrypting the PDF files as well. That is why it is named as PDF Crypt. And it can be used in Batch mode where you can encrypt or decrypt several PDF files in single command.
5. PDF Unlocker –
PDF Unlocker is a windows based, installable program which recovers PDF password using Brute force/ Dictionary attack. It is a slow program but it works. The password recovery time will totally depend on length of password or it being a dictionary word or not. Longer the password more time it will take.

PDF Unlocker - Free PDF Password Recovery
But Good thing is it will find the password with guarantee as it is using Brute force, no matter how much time it takes. Anyway It is advisable to use this program only if you have some idea about length of password or remember a portion of password, if it is longer. To remove a 5 digit password it can take up to 2 hour, and if password length is around 15-16 digit the time taken can increase up to days. It works on almost all present version of Windows and require JAVA on your machine.
With these 5 tools for PDF Password recovery, you should be able to fulfill all your needs for recovering the PDF Password. In case you find them difficult to use, we will soon be reviewing few premium PDF recovery tool which can get the PDF password recovered/ removed much easily than these tools.

Thank the author for post, and for comment – i tried this tool. i think it nice. i’m going to buy it.
Which One you going to buy ?
All tools mentioned here are Actually Free
Advanced PDF Password Remover 5.0 is a small and easy-to-use tool to decrypt protected Adobe Acrobat PDF files, which have “owner” password set, preventing the file from editing, changing, printing, selecting text and graphics and copying them into the Clipboard, or adding/changing annotations and form fields.
Also It can remove the user/open password which protects the PDF files from opening if you know the password.
Decryption is being done instantly. Decrypted files can be opened in any PDF viewer without any restrictions. All versions of Adobe Acrobat (including 9.x, which features 128-bit encryption) are supported.