If you have installed and subscribed to Adobe Acrobat Pro before, or are still eager to master more PDF skills using Acrobat Pro, follow the guide below to lock a PDF from editing. But a host of people have complained about its high subscription price and complex interface, as a result, they turn to other PDF applications, like Cisdem PDFMaster. To get a more detailed guide, you can refer to this article: Īdobe Acrobat is undoubtedly the most authoritative software in field of PDF, as Adobe is the founding company of PDF. It is a highly secure way to stop other recipients from any alterations and edits once a PDF is signed. You can also attempt to create a digital signature using Cisdem. Hit it will navigate you to the output PDF file. Once finished, green check marks will be shown on the right. Choose an output folder to store the locked PDF files, click "Encrypt". Lock PDF files from editing by password protection.Ĭontinue with "Save". If you hope to set the same password for all the PDF files, tick "Apply to all". Hit the Lock icon on the right, choose the restrictions applied to the PDF files as you want, then enter the password. Click "+" icon or drag the PDF file you want to lock into the blank space. Select "PDF Encrypt", a pop-up window will appear. Install and open Cisdem PDFMaster.ĭownload and install the program of Cisdem PDFMaster on your computer. How to Lock a PDF from Editing on Windows and Mac? Besides password protection, you can also protect your PDF files against unwanted edits by creating a digital signature. Plus, it supports locking plenty of PDF files at a time. Using the PDF Encrypt feature, it enables you to lock a PDF from opening, editing, copying, printing and more by adding an open password or permission password. Organized in a straightforward way, this application displays 5 main features when opening it, including PDF Convert, PDF Create, PDF Compress, PDF Encrypt and PDF Decrypt. It is well-reviewed due to its abundant features, affordable price and high security. An All-in-One Solution - Cisdem PDFMasterĪdhering to the principle of enjoying the best service for the least money, Cisdem PDFMaster is the first choice to lock a PDF from editing. Since the PDF you want to lock probably contains valuable content, it’s better to choose a dedicated offline application to lock it, which offers a higher level of security. There are a great number of PDF tools available on the Internet, both online and offline. Now that you are aware of why lock PDF from editing, read on to learn how to carry on this activity with appropriate software.
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