Recover password to open encrypted PDF files by 4 methods. Remove password protection
- Unable to open a password protected PDF file
- Cannot copy the spreadsheet
- Cannot edit, copy, and delete the content in a PDF file
- Can’t edit the content in password-protected Excel files.
- Unable to leave comments or print a PDF file
4 Methods to Recover PDF Document Open Password
Dictionary Attack
Dictionary attack will try all the combinations of characters on a list until your password is found. Passper offers a default dictionary. You can also import a dictionary file.
Combination Attack
Try all the combinations of the characters you choose to find the right password.
Mask Attack
Mask attack enables you to recover your password very fast if you know some details about it.
Brute-Force Attack
The brute-force attack tries all combinations of all characters until it finds your password. This method takes longer.
What Makes Passper for PDF Your Best Choice
Highest Success Rate
With the smart algorithm, Passper can recover the password of most encrypted PDF files.
Fast Recovery Speed
Based on the CPU and GPU acceleration technology, Passper recovers passwords faster.
Remove Restrictions Instantly
Only 1 or 2 seconds are needed to remove restrictions on PDF files.
Save Recovery Progress
You can stop and save progress, and then continue to recover the password next time.
How Does Passper for PDF Work (PDF Password Recovery app)
Step 1. Select ‘Recover Passwords’
Click ‘Recover Passwords‘ on the home interface.
Step 2. Choose a File & a Recovery Method
Add the protected file and choose the recovery method that you like.
Step 3. Recover the Password
Wait for some time. The program will find and show the password on the screen.
Note: Cannot recover passwords or remove restrictions in the demo/free version.