Appnimi PDF Password Kit is a handy tool to lock or unlock any zip file with a password. It can be done in 3 easy steps:
Steps to Unlock a protected PDF file:
1. Select the PDF File
2. Enter the password of the PDF file
3. Click on the Unlock button on the right.
Steps to Lock an unprotected PDF file:
1. Select the PDF File
2. Enter the password you want to use to protect the PDF file
3. Click on the Lock button on the right.
NOTE : This is a not a password recovery tool.