Compare PDF Password Security Encrypt or Decrypt PDF files Easily
Nowadays, PDF files are commonly used and questions on PDF Password Security come with the PDF own characteristic. Always users have difficulty in encrypting or decrypting PDF document, here supply 3 products to help users set/ remove PDF Password Security easily and quickly.
The table is about the comparation of the functions of 3 easy-to-use PDF Password Security Tools.
Tips: you may get a password prompt to open the file. But If you have no idea what password is, any program of the 3 introduced above can not find passwords automatically for you, you may find a PDF password cracker tool here- Absolutely safe!
PDF Password Security Remover
With PDF Password Remover, users can decrypt the PDF files including 40-bit RC4 decryption, 128-bit RC4 decryption and 128-bit AES decryption with one click, then users can print, copy, edit the PDF Document at ease.
And you can quickly adjust settings so that the original restricted files are preserved with a .bak extension, and/or have them save to a different default directory with the help of PDF Password Security Remover.
$9.99
But it cannot:
* Remove or find the user/open password automatically.
* Remove other protections, such as DRM or third part plug-in.
PDF Password Security
PDF Password Security is a powerful desktop utility program that lets you change password security of existing Acrobat PDF files, which allows you to protect PDF files with 128 bit encryption, or remove existing password protection. It can handle either single or batch documents.
PDF Password Secure has another convenient features include password pool and hot directory, Besides it can enable/disable PDF Expiry in a certain date.
$27
Note: PDF Password Security can remove PDF files protected with owner password instead of PDF documents with user passwords.
PDF Password Security Service
PDF Password Security Service is a professional windows service program which is running in the background. With PDF Password Security Service, users can password PDF files or remove PDF Restrictions easily, and monitor multiple folders at the same time with different security setting.
$99
PDF Password Security allow users set a PDF file to require a password to open, or restrict access. For example, to allow or not allow printing, copying content, changing the file, etc.
Tips: you may get a password prompt to open the file. But If you have no idea what password is, any program of the 3 introduced above can not find passwords automatically for you, you may find a ultimate PDF password cracker tool here.
With PDF Password Remover, users can decrypt the PDF files including 40-bit RC4 decryption, 128-bit RC4 decryption and 128-bit AES decryption with one click, then users can print, copy, edit the PDF Document at ease. 
PDF Password Security is a powerful desktop utility program that lets you change password security of existing Acrobat PDF files, which allows you to protect PDF files with 128 bit encryption, or remove existing password protection. It can handle either single or batch documents. 