You would need to download a PDF Application that will allow you to set the password. Foxit Mobile PDF for iOS or Android can do this for you. Open a PDF with the application, Select “…” Menu, select File Encryption, select the toggle “Open Document”, set your password, select “Done”.
Method 1: Use Passkey for PDF to Crack PDF Password Method 2 : Passkey for PDF to Crack PDF Password Note: 1. Make sure the current PDF password is a strong password so no-one else can access the secret information that can be saved in PDF files (password). 2. You can also use other passwords to crack the secret information from the password. 3. Passkeys for PDF to Crack PDF Password works on the majority of computers, mobile devices, tablets, etc. You only need to use this option if you are certain that you have the correct PDF password and all the above listed security methods have failed or the PDF password is already cracked.