PDF is one of the the most common file types in office and it usually use for contracts. For security, some people locks them with password. In this article we will discuss various methods to remove security password from the PDF files.
Method 1: Google Chrome to Crack PDF Password
You can use Google Chrome to remove the password from PDF. But, this method will only work if you already know the password. If you do not know the password, skip to the next method in this article. Chrome comes packed with a native PDF reader and does not require any additional plugin. You can open the password protected file in Chrome browser and then save it on your hard disk sans the password. Here are the simple steps:
1. Open Chrome browser on your computer.
2. Locate the PDF file you wish to crack the password from on your hard disk.
3. Drag and drop the file onto the Chrome Window.
4. Chrome will now begin to render the file. Enter the PDF file password when prompted by Chrome. You should now be able to see the file within the Chrome Window
5. Press CTRL + P (if you are using Windows PC. If you are using Mac, press CMD + P) to bring up the print menu.
6. On the left pane, under ‘Destination’ press ‘Change’ button.
7. Choose ‘Save as PDF’ as the new destination on the popup Window.
Method 2: Use One of the Free Online Tools to Crack PDF Password
Step 1: Download, install and launch PDF Password Genius.
Click the following button to download and follow installation wizard to install iSunshare PDF Password Genius on your laptop or PC, then launch it.(Free trial one only recovers PDF file password containing no more than 3 characters.)
Step 2: Add encrypted PDF file.
Click Open button to import the pdf file. Then you would see the encrypted pdf file in the Encrypted File box.
Step 3: Choose PDF password attack type and make settings.
Click "Type of attack", and you could see there're four attack types for choice, Brute-Force, Brute-Force with Mask, Dictionary and Smart. Make some settings for every attack type you choose.
Take Brute-Force attack as example.
Brute-Force Attack. This type of attack will try all possible characters combinations in specified Range. The password recovery engine is highly optimized, thus short password can be recovered immediately. Set the range and length.
The range keeps default usually, and the length can be resetted based on possilble password length to reduce recovery time. Next give an outline of the other three password attacks.
Step 4: Click "Start" button to recover PDF password.
After you click Start button, PDF password recovery program begins to run until the following window pops up with PDF file password. That means PDF password recovery is successful. You can Copy the password to save or Open imported PDF file.
Have you finished recovering PDF password yet with PDF Password Genius? As you can see, the recovery process is easy and fast, just few second cost. So don't hesitate and go ahead to download PDF Password Genius, in order to open encrypted PDF document and remove operational constraints on encrypted PDF files.