Lock PDF Mac with two passwords

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Lock PDF Mac

PDF is the most popular format used to transfer, share, email, publish files online which makes its security more important and necessary to lock PDF Mac. How to lock PDF file Mac? Here we recommend you a easy to use and powerful Mac PDF Locker which can help you lock a PDF on Mac with both open password and owner password. To add an open password to PDF allows you control the access of your PDF document and the owner password is used to lock PDF from printing editing on Mac including Mac lock PDF form.

When lock PDF Mac with this Locker, you can choose different encryption methods such as AES 128 bit, RC4 40 bit to decide the encryption level. No worry about the security of your PDF! Besides, this tool to lock PDF Mac is very easy to use which allows you to lock a PDF on Mac when you save it. What you have to do is just "import" , Click "save as" to type in your passwords!

In addition to lock a PDF on Mac, this PDF Locker has many other functions like PDF page rearrangement, PDF file merge, spilit, notes/stamps adding, page crop/rotate etc. Free download to learn how to lock PDF file Mac with the following guide to lock PDF Mac.

Note: Encryption methods include specifying the data (40/128bit) and key encryption algorithms (AES/RC4) to use to secure PDF or other files.

Encryption level:
Acrobat 3 and above: 40 bit RC4 40 bit AES
Acrobat 6 and above: 128 bit RC4 and 128 bit AES
Acrobat 9 and above: 256 bit AES
If you lock PDF using 128 bit RC4 in Acrobat6, you can't crack it with password remover supporting 40 bit RC4.

Mac OS X 10.5 +

Guide to Lock PDF Mac

Step1: Free download, install and run " Lock PDF Mac" Tool

Interface of Lock PDF Mac:

Step2 : Add PDF file

Click File-Add file in the menubar of your Mac to import PDF you want to lock.

Step3 Set passwords to lock PDF Mac

Here, choose the name and destination file of your output PDF. Choose encryption method. Also you can choose to encrypt your metadata here. You can lock a PDF on Mac with either password or both of them. Put in your owner password to lock PDF from printing editing on Mac and tick any box below it to set restrictions for your file such as no print, no edit, no copy...

Click "Save", you'll find a encrypted PDF in your destination file.