In order to protect the security of the document and prevent the contents of the document from being tampered with or copied by others, you can set a read-only password for the PDF. Without entering a password, others can only read the document without editing or modifying it. At the same time, they can also add restrictions that do not allow copying and printing to PDF. So, how to set read-only password protection for PDF? Here to teach you the specific operation steps, 3 steps easy to get!
PDF set to only read can not edit, print effect preview
before treatment:
after treatment:
Batch to PDF set read-only password operation steps
1, open. HeSoft Doc Batch Tool Select PDF Tools → PDF Add Password Protection.
2. Add PDF that needs to be password protected. Choose one of the three ways to add: add files, import files from folders, and drag files directly.
3. Check the read-only password for the file content and enter the password below. If you don't want the contents of the PDF file to be copied or printed, the next two options are not checked.
4. After the processing is completed, click the save location to view. All PDFs are password protected and can only be read, not edited, copied or printed.
after the PDF is set with a read-only password, other people can only read the file without knowing the password. If you want to edit or modify the contents, you must enter the password. This can effectively prevent the contents of the file from being tampered with and protect the originality and integrity of the document. At the same time, prohibit PDF copying and printing, but also to prevent the contents of the file is easily spread.
To protect PDF files, in addition to setting it to read-only mode, there are several other ways: set an open password, add a digital signature, use a more advanced encryption algorithm, and so on.
Set open password: to prevent other people to view the file, you must enter the password to open the PDF file.
Add a digital signature: to ensure the authenticity of the PDF file and the original source, to prevent the file is arbitrarily tampered.
Encryption algorithm: Files are protected using more advanced encryption algorithms, such as AES-256, so that the content cannot be read even if the file is copied. Suitable for the protection of highly sensitive documents, such as financial data, confidential reports, etc.