How to Lock PDF

Lock PDF and protect your conformational information by restricting access only to authorized users. You can lock PDF with a password. The password can be “user password”, and “owner password”. These passwords will have different permissions, such as only viewing the document or modifying it.

Encrypting PDF prevents any unauthorized changes, ensuring that the content of the document remains unchanged and credible. In addition, the lock PDF may limit activities such as copying or printing, reducing the risk of unauthorized dissemination and dissemination of confidential information.

Lock PDF file, helps in protecting intellectual property by controlling access to and distribution of content, especially for authors, publishers, and content creators. It adds an additional layer of security by minimizing the risk of data leaks and ensuring the preservation of confidential information.

In shared access where several people contribute to the document, PDF encryption ensures that only authorized members can make changes. This helps to maintain the integrity of the instrument throughout the cooperation process.

Use the Python Library by Aspose.PDF to Lock PDF documents

Protect your privacy information and control access to and distribution of PDF documents. You can also learn the Documentation Pages for more information on how to lock PDF files. Or Learn the Landing Page “How to lock PDF” for more details.

Before you start working with your PDF, install the Aspose.PDF library using the following command from the Package Manager Console:

pip install aspose-pdf

How to Lock PDF documents

1. Open a PDF document using Document object.
2. Create a password for user and owner.
3. Call document.Encrypt Method.
4. Save the PDF file.

This sample code shows how to lock PDF document

	# Open document
    document = Document(dataDir+ "encrypt.pdf")
    # Encrypt PDF
    document.Encrypt("user", "owner", 0, CryptoAlgorithm.RC4x128)
    dataDir = dataDir + "encrypt_out.pdf"
    # Save updated PDF
    document.Save(dataDir)

Get a Free License:

Get a temporary license and try to lock PDF without any limitations.

Try to lock PDF files online

Aspose.PDF for Python via .NET presents you Online Free App - “Password protect PDF”, where you may try to investigate the functionality and quality it works.

Conclusion

Throughout this article, you’ve gained knowledge on locking PDF files using Python. With the straightforward installation of Aspose.PDF for Python, you can seamlessly lock PDF directly within your Python applications.