PDF is the most popular used format for sending and receiving files on internet. To prevent unauthorized person from reusing or misusing the PDF documents, you can set password to protect them. However, due to bad memory or some other unpredictable reasons, you may lost PDF password and be rejected to get access to PDF files.
The article below tells you how to decrypt PDF file step by step and gives you answer if you or your friend encounters issue like “I forgot my PDF password”.
How to Remove Forgotten PDF Password?
Step 1. Download and Install PDF Password Recovery Tool
Step 2. Import PDF Document that You Forgot Password for
Launch the program. In the main interface, click “Open” button to add PDF file into the PDF Password Recovery window. This program supports multilingual PDF files.
Step 3. Select One Password Attack Type
There are three kinds of attack types: brute-force attack, brute-force with mask attack and dictionary attack. Each of them has their own features. If you know part of the password, please select brute-force with mask attack and click “Option” to set the length and some tips of the password. This can speed up the password recovery process.
Step 4. Recover Forgotten PDF Password
Click “Start” button. It will start the process of trying to find the PDF document password. Check the progress indicator to view the progress of the password attack. This could take several minutes. The specific time depends on the password length. The longer the password, the more time it will take. When SmartKey PDF Password Recovery finds the password, a screen will pop up with the password listed there. Copy and paste it to open your PDF file. Isn’t it easy?