Ap PDF Password Recovery
The PDF Password
Recovery software (the software) can be used 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. Decryption is being done
instantly. Decrypted file can be opened in any PDF viewer (e.g. Adobe
Acrobat Reader) without any restrictions -- i.e. with edit/copy/print
functions enabled. All versions of Adobe Acrobat (including 5.x
6.x 7.x , which
features 48-bit,128-bit and AES encryption) are supported.
The standard security provided by PDF
consists of two different methods and two different
passwords. A PDF document may be protected by password for
opening ('user' password) and the document may also
specify operations that should be restricted even when the
document is decrypted: printing; copying text and graphics
out of the document; modifying the document; and adding or
modifying text notes and AcroForm fields (using 'owner'
- Easy to use.
- Does NOT need Adobe Acrobat
- Set the document title, subject, author, keywords,
creator to the decrypted
- The rate of decryption is very fast.
- Supports PDF1.6 protocol (Acrobat 7.x).
- Removing restrictions on printing, editing, copying.
- Supports Adobe Standard 40-bit Encryption and Adobe Advanced 128-bit Encryption.
- Supports AES encryption.
- Supports metadata.
- Supports command line operation (for manual use or inclusion in scripts).
- Batch operation on many files from command line.
- Windows 98, ME, NT, 2000, XP, 2003 supports.
|Installation and uninstallation
|It is green software, do not install and uninstall operation, you only need to unzip it for use.
The program is very easy to use.
All you need to do is to choose the pdf documents you intend to decrypt and add the program settings according to your preferences.
You may leave the default settings.
However, you may want to modify them to adjust some PDF parameters in order to make them more suitable for your design.
|This section describes the software application that are available to you when working with PDF documents.
|The software is very easy to use.All you need to do is to setup the pdf documents that you want to conver and ouput direcotryt,for hign-level you can setup other parameters command settings. More command settings please click here . The examples look like below.
|Quick to use the software Command Line.
1.The single file is decrypted, the output file is decrypt.pdf
pdfdecrypt.exe -i c:\sample.pdf -o c:\decrypt.pdf
2.The single file is decrypted use owner password, the output file is decrypt.pdf, and write the log info to error.log file.
pdfdecrypt.exe -i c:\sample.pdf -o c:\decrypt.pdf -w "password" -l c:\error.log
3.The single file is decrypted use user password, the output file is decrypt.pdf, and write the log info to error.log file.
pdfdecrypt.exe -i c:\sample.pdf -o c:\decrypt.pdf -u "password" -l c:\error.log
4.The single file is decrypted and add document info to output file, the output file is decrypt.pdf.
pdfdecrypt.exe -i c:\sample.pdf -o c:\decrypt.pdf -t title -s subject
5.The multi file is decrypted in "c:\indir" folder, the output folder is "d:\outdir" .
pdfdecrypt.exe -i c:\indir\ -o d:\outdir\
6.The multi file is decrypted in "c:\indir" folder and include the subfolder, the output folder is "d:\outdir" .
pdfdecrypt.exe -i c:\indir\ -o d:\outdir\ -d
7.If you specify the output filename same as the input filename, then will create a .bak file to backup the original input file.
|The software program is very easy to use.
All you need to do is to choose the pdf documents you intend to convert.
You may add the optimize parameters for convert.
||<-i <input> >
<-o <output> [-d] >
[-u <user password>] [-w<owner password>]
[-s <subject>] [-t <title>] [-a <author>] [-k <keywords>] [-c <creator>]
[-r <register>] [-l <log file name>]
1. Input and Output Settings
| -i <input>
||Source pdf files or folder which contains pdf files you want to decrypt. this parameter must be appear and only one time.
| -o <output>
||Set destination files or folder to output result files, this parameter must be appear and only one time.
|| It indicated the sub folder that can be processed. . please see example.
Document information settings
||set document subject, if it is ignored from the original file will be used.
||set document title, if it is ignored from the original file will be used.
||set document author, if it is ignored from the original file will be used.
||set document keywords, if it is ignored from the original file will be used.
||set document creator, if it is ignored from the original file will be used.
| -u <user password>
||It is to set user password for decryption.
| -w <owner password >
||It is to set owner password for decryption.
| -l <log file name>
||specify log file for output message.
| -r <register>
||It is to register the software.
||It is to open the help file.
||It is to open the help file.
Requirements to system
Limitations in the trial version
The trial version only can process the first half of pages in your PDF file.
Popup a message box when open the result pdf file.
Technical Support and Freeback
If you have any technical
questions, suggests, bug reports, please contact us at
If you have ideas and suggestions on how we could improve
this software, we would love to hear your thoughts.
Please send them to
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