SysTools PDF Lock Software: Know How it Works!

Now, click Add File(s) or Add Folder option to add the PDF Files into the software.

If you have added the wrong PDF File, then simply click on the Remove for removing single PDF file and Remove All for removing all added file into the software pane.

Once, the file is uploaded into software. Click on the Destination button to select the destination location to save the password protected PDF.

After this, go to the Settings tab and choose Apply Document Restriction option. Also, click on the Printing drop-down and select the printing restrictions as per you need.

To set the document permissions, use PDF “Change” drop-down feature. Here are the common modes of restrictions, you can enable:

• Not Allowed: To disable the actions like content editing, commenting, content copying, printing, content accessibility, signing, form filling, etc.
• Inserting, Deleting, and Rotating Pages: You can allow only the inserting, deleting, and page rotating. The other permissions remain restricted.
• Filling in Form Fields and Signing Existing Signature Fields: Opting for this option, you can permit form filling and signing in the existing fields.
• Commenting, Filling Fields, Signing Fields: Under this feature, the user can enable commenting, signing, form filling, etc, other options get disabled.
• Any Except Extracting Pages: This option allows viewers to extract the pages without editing, copying, and tampering with the sensitive information.

Once all the restrictions applied, enter the Password to lock the PDF and apply the restrictions.

Please Note: Before entering the password, there are two options, read them below:

• Enable copying of text, images, and other content: After setting the changes, you can pick this option to allow copying of content and other necessary images.
• Enable text access for screen reader devices for the visually impaired: This feature is helpful for visually impaired individuals, allowing screen readers to read unrestricted content.

Using this tool users can also add Password for opening the PDF. Just select the Apply Document Open Password option and Enter Password.

After adding the Password click on the Encryption Drop-down menu to select the encryption type and secure you PDF from any kind of modification. Read them below:

• AES- 128: The ideal encryption technique for fast and robust document security.
• AES- 256: It is the top-notch and powerful PDF encryption security for data protection.
• RC4- 128 & 40: Traditional encryption type mainly used for less sensitive documents.

Once all the settings are done, click on the Lock button to secure the PDF file.

After task is completed, you get a pop-up The PDF files are locked Successfully. Now, click on the OK button to complete the task.

To see the PDF file is locked or nt go to the destination location and open the PDF file. If the file ask for the password, then it is locked now.