menu

Add Password Protection to Encrypt Your PDF Documents

The password encryption feature allows users to create a password that needs to be entered every time the file is opened. This feature includes an additional layer of security to the PDF file, making it difficult for unauthorized users to access it. The permission password and open password restrict printing, copying, modifying, and commenting on the PDF file. Besides, it allows you to redact PDF - mask content from PDF documents or permanently remove sensitive information.

Protect PDF with Customized Encryption Settings

It provides users with customizable encryption settings, allowing them to choose the level and method of protection that suits their specific needs to encrypt PDF file. Users can choose to encrypt the entire document, and they can also choose between different encryption methods and levels of encryption.

Add Digital Signatures to Your PDF

Aside from setting password to protect PDF, you can also use it to add digital signatures to authenticate the user's identity and ensure the document's integrity throughout its life-cycle. This process ensures that the document has not been tampered with and that it has been signed by a verified user. Moreover, this PDF encrypter also provides users with the ability to configure various signature settings, including the signature appearance, location, and certification level, to suit their specific needs.

Choose PDF Editor with the Right Plan for You

  • Individual
  • Business
  • Education
1 Month
$ 14.95
Gain access to all the features of AcePDF for only 1 month.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • 1-Month access to all the PDF tools
  • 1-Month free updates
  • Use the program on 1 computer
1 Year
$ 29.95
Gain access to all the features of AcePDF for only 1 year.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • 1-Year access to all the PDF tools
  • 1-Year free updates
  • Use the program on 1 computer
Lifetime
$ 49.95
Gain access to all the features of AcePDF for only 1 month.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • Lifetime access to all the PDF tools
  • Lifetime free updates
  • Use the program on 1 computer
1 Month
$ 39.95
Gain access to all the features of AcePDF for only 1 month.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • 1-Month access to all the PDF tools
  • 1-Month free updates
  • Use the program on 1 computer
1 Year
$ 119.95
Gain access to all the features of AcePDF for only 1 year.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • 1-Year access to all the PDF tools
  • 1-Year free updates
  • Use the program on 1 computer
Lifetime
$ 199.95
Gain access to all the features of AcePDF forever.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • Lifetime access to all the PDF tools
  • Lifetime free updates
  • Use the program on 1 computer
Family Licence
$ 199.95
Gain access to all the features of AcePDF forever for family use.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • Lifetime access to all the PDF tools
  • Lifetime free updates
  • Use the program on 5 computers
Team Licence
$ 399.95
Gain access to all the features of AcePDF forever for team use.
  • Edit PDF
  • Convert PDF
  • Annotate PDF
  • Organize PDF
  • Protect & Sign PDF
  • OCR PDF
  • Batch Process PDF
  • Lifetime access to all the PDF tools
  • Lifetime free updates
  • Use the program on 5 computers

Frequently Asked Questions of Protecting PDF

What is PDF encryption?

PDF encryption is the process of securing the content of a PDF document using a password or a digital certificate. It guarantees that only permitted users can access the document and protects it from unauthorized access or modification.

Why do I need to encrypt a PDF document?

Encrypting a PDF document is crucial for protecting sensitive information, such as financial data, personal information, and confidential reports. It ensures and requires that only authorized users can access the file or document and prevents unauthorized access or modification.

How can I encrypt a PDF document?

You can encrypt PDF download using various PDF editors or online tools. AcePDF has built-in encryption features that allow you to secure the document with a password or a digital certificate. To do so, you only need to access its Protection option.

What is the best way to choose a strong password for PDF encryption?

When choosing a password for PDF encryption, combining letters, numbers, and symbols is best. Avoid using common words, phrases, or personal information that can be easily guessed. Also, ensure the password is at least eight characters long and is not used for other accounts.

How can I decrypt a PDF document?

To decrypt a PDF document, you need to enter the correct password or have the digital certificate used to encrypt the document. Most PDF editors and online tools have a decryption feature that allows you to remove the encryption and access the document.

Is AcePDF safe to use?

AcePDF is a reputable software for encrypting PDF files. It uses strong encryption algorithms to secure your PDF files and secure them from unauthorized or malicious access. Additionally, AcePDF offers various security features, such as setting permissions and passwords, to ensure the safety of your PDF files. Overall, AcePDF is a reliable and safe tool for encrypting PDF files.

System Requirements

Supported OS:
Windows 11, Windows 10, Windows 8.1, Windows 8, Windows 7
RAM Memory:
1GB RAM or more
CPU:
1GHz Intel/AMD CPU or above
Storage:
At least 250 MB free space
Back to top