Password Protect PDF

Add password to PDF files online for free

Passwords do not match.

Wait for few seconds, encrypting your PDF.

If size of your PDF is big, it might take more than few seconds to complete encryption.

Click on "Download" button to start download, or right click on "Download" button & save link as.

Secure confidential data by encrypting & locking PDFs

In today’s digital world, the exchange of information or data occurs not through papers but rather through electronic file formats. Among these, Portable Document Format (PDF) is widely used and play an important role in sharing and storing information.


I. What is PDF password protection?

Just like with something valuable, keeping our PDF files which have confidential data safe is crucial. To do this we encrypt and protect the PDF files with a password.

PDF protection and locking involve the use of various security measures to safeguard your PDF files from unauthorized access, editing, or printing. These measures help ensure that your documents remain confidential and maintain their original content, accessible only by the individuals you authorize.


A. Here are some key reasons why securing PDF files is essential:

  1. Privacy Protection: When we secure our PDF files, we make sure our confidential data stays safe. By adding password protection to PDF files, we control who can access and view our data.
  2. Document Integrity: Securing PDF files helps ensure that our documents remain as it is and true to their original content. This way, we can prevent unauthorized edits or tampering that might change the meaning or purpose of our work.
  3. It makes you look professional: When you take care of the confidential documents, you demonstrate your ability to handle sensitive documents responsibly.. This helps build trust and credibility, whether we're working with clients, colleagues, or friends.

In summary, securing PDF files not only keeps our private information safe, but also ensures the integrity of our documents and contributes to a professional image


B. Types of PDF security

There are several methods to secure PDF files, including:

  1. Password protection: This security measure involves adding a password to your PDF files, which users must enter to open or edit the document. There are two types of passwords: a. Document open password (User password): A password required to open and view the PDF file. b. Permissions password (Owner password): A password required to access the document's editing and printing permissions.
  2. File permissions: This security feature enables you to restrict certain actions within the PDF file, such as editing, printing, or copying content. By setting file permissions, you control how users can interact with the document.
  3. Digital signatures: A digital signature authenticates the identity of the document's creator or signer and ensures the document's integrity. This is achieved by using cryptographic techniques that link the signer's identity with the document, making it evident if the content has been tampered with after signing.



II. How to protect PDF with password?

  1. Select a PDF file from your computer or mobile phone
  2. Enter the PDF password you want to set. Choose a strong yet easy to remember password.
  3. Click or tap on the “Encrypt PDF” button. PDFBrewery will add the password to your PDF file.
  4. Once the process is complete, you can download your password protected PDF file.



III. Tips for Creating Secure PDFs Online


A. Choosing strong passwords

  1. Length and complexity: When creating passwords for your PDF files, ensure they are at least 12 characters long and include a mix of uppercase and lowercase letters, numbers, and special symbols. This combination makes it harder for others to guess or crack your password.
  2. Avoid common words and phrases: Refrain from using easily guessable words, phrases, or patterns, such as "password," "123456," or your birthdate. Instead, opt for unique and unpredictable combinations to enhance security.


B. Regularly updating passwords and permissions

  1. Change passwords periodically: Update the passwords for your secured PDF files every few months or after sharing sensitive information to maintain the highest level of security.
  2. Review and adjust permissions: Regularly assess the permissions you have set for your PDF files, and update them if needed, particularly when granting access to new users or removing access from those who no longer require it.


C. Sharing secured PDFs safely

  1. Use secure channels: When sharing password-protected PDF files, avoid sending the password along with the document through the same communication channel. Instead, share the password separately using a secure method, such as an encrypted messaging app or a phone call.
  2. Keep track of recipients: Maintain a record of the individuals you have shared your secured PDF files with, so you can effectively manage access and update passwords when necessary.
  3. Educate recipients: Encourage those you share your secured PDFs with to follow best practices for password management, such as not writing passwords down in plain sight or sharing them with unauthorized individuals.

By following these tips, you can ensure the highest level of security for your PDF files when using online tools and create a safer digital environment for sharing and managing your documents.