To protect document security and prevent file content from being arbitrarily tampered with or copied by others, you can set a read-only password for PDF. Without entering the password, others can only read the document and cannot make any edits or modifications. At the same time, you can also add restrictions to prevent copying and printing of the PDF. So, how do you set a read-only password to protect a PDF? Below, we will teach you the specific steps, easily done in 3 steps!
Preview of Setting PDF to Read-Only, No Editing or Printing
Before processing:

After processing:


Steps to Batch Set Read-Only Passwords for PDFs
1. Open HeSoft Doc Batch Tool , select PDF Tools → PDF Add Password Protection.

2. Add the PDFs that need password protection. Choose one of the three methods: Add Files, Import Files from Folder, or directly drag files.

3. Check the file content read-only password option, and enter the password below. If you do not want the PDF content to be copied or printed, leave the two options below unchecked.

4. After processing, click Save Location to view. All PDFs are now password-protected, allowing only reading, and not editing, copying, or printing.

After setting a read-only password for a PDF, others who do not know the password can only read the file. If they want to edit or modify the content, they must enter the password. This effectively prevents the file content from being tampered with and protects the originality and integrity of the document. Meanwhile, prohibiting PDF copying and printing also prevents the file content from being easily disseminated.
To protect PDF files, besides setting them to read-only mode, there are several other methods: setting an open password, adding a digital signature, using more advanced encryption algorithms, etc.
Set an open password: Prevent others from viewing the file at will; the password must be entered to open the PDF file.
Add a digital signature: Ensures the authenticity and original source of the PDF file, preventing it from being arbitrarily tampered with.
Encryption algorithms: Use more advanced encryption algorithms (such as AES-256) to protect the file. Even if the file is copied, the content cannot be read. Suitable for protecting highly sensitive files, such as financial data, confidential reports, etc.