All Kinds of Password Protections Are Covered
Forget the password to open a protected PDF file
Cannot edit, copy, or delete the content in a PDF file
Being restricted from printing a desired PDF file
Unable to leave comments on a certain PDF file
Full Solution to Unlock PDF Files
To protect sensitive information, Adobe Acrobat allows users to encrypt PDF files with passwords or restrict editing, or even both at the same time. We provide two different options to solve problem accordingly.
Recover Document Open Password
Recover password to open encrypted PDF files by 4 powerful methods.
Remove permissions password from locked PDF files so as to edit, copy, and print the content freely.
4 Methods to Recover PDF Document Open Password
1. Dictionary Attack
2. Combination Attack
3. Mask Attack
4. Brute-Force Attack
Tries all the items in an inbuilt dictionary until it finds the right one. You can also import your personalized dictionary into the software.
Based on the information you provide, such as the password length, it randomly combines the letters, numbers, and symbols you choose to recover the password.
It collects some clues about the password such as character types not included, prefix, suffix and so on to get the correct password.
When you don't have any information to provide about the password, this trial-and-error method will try all the combinations of all characters to crack the password.
Remove All Restrictions with Just One Simple Click
Passper for PDF tackles all the restrictions with a 100% success rate. Just need one simple click, and in 1 or 2 seconds, you can edit, copy, and print your PDF files as you want.
What Makes Passper for PDF Your Best Choice
Highest Success Rate
Passper can recover most of the passwords of encrypted PDF files and remove restrictions with a 100% success rate.
Fast Working Speed
Based on the CPU and GPU acceleration technology, Passper helps remove passwords at the top speed.
Absolute Data Safety
Nothing concerning privacy will be sent to the server. No data leakage will occur and your PDF file's integrity is guaranteed.
Save Recovery Progress
You can stop the operation anytime you want. Passper will save the progress for you to resume it the next time.
Easy to Use - Only 3 Steps
1GHz or more
512 MB or more
Hard Disk Space:
200 MB free space and above
All PDF files created by all versions of Adobe Acrobat or other PDF software.
NVIDIA G80+ (GT8600 to GTX1080 TI)
What Do Our Users Say About Passper for PDF
I, unfortunately, forgot the password to access my PDF bank statement and became so anxious. I Googled for solutions and finally chose Passper for a try. I thought it would take days to recover the open password but to my surprise, Passper did it in just a few hours. Incredible tool!
I wanted to use a PDF file for my report but needed to make a few edits. Since it's secured, I had to remove the restrictions to continue. So I began trying some tools but they were so difficult to operate and I just quitted halfway. I later opted for Passper and had an outstanding experience as Passper is different. It is very simple to use and the user interface is very clear. I didn’t have any technical knowledge, but I still got the restrictions removed without any external help. Thanks Passper!
Last week, when I finished an important project, I locked one of my PDF files for security but forgot to keep a record. It’s not until yesterday when I needed to open the PDF file again that I realized that I didn’t remember my password fully. I turned to my workmates for help and they recommended Passper. Since I have a vague impression of the password, I selected "mask attack". The process was much more simpler than I thought and it really worked! Passper saved my career!
I used to rely on online tools for password recovery, but some couldn’t handle PDF document with complex passwords and I was also actually a little afraid of security risks. So I started to look for some reliable third-party tools. The download and installation process was fast and easy. After that, I followed the guide to operate and I successfully recovered my password. A wonderful experience.
For my work, I needed to print a PDF file but only to find that there were editing restrictions. As I didn't have the password, Adobe Acrobat couldn’t help me. However, Passper finished the whole removing process in merely a few seconds. That’s really amazing and I’ve already bought a one-year plan. In fact, Passper offers me more than I bargained for.
- 1. How long will it take to decrypt my encrypted PDF?
- That depends. There are various factors affecting the recovery speed like the attack mode you choose, the complexity of the password and what you know about your password. For more information about password attack modes, please refer to: Passper for PDF - user guide.
- 2. What's the difference between the trial version and the full version?
- The trial version is designed to invite beginners with a great initial experience as it can't recover passwords or remove restrictions for users. In contrast, the full version is designed to provide satisfying services, including recovering all types of passwords and removing all restrictions from the encrypted PDF.
- 3. Is Passper for PDF safe to use?
- Yes. We care very much about your privacy and take all necessary measures to ensure that all the information is kept secure.
- 4. Will my file be kept on your server?
- NO. Since no Internet connection is required, no files will be sent to or kept on our server. Besides, we never analyze, scan, copy, or do anything else with your files.
- 5. What versions of PDF does it support?
- Passper for PDF supports all PDF files created by all versions of Adobe Acrobat or other PDF software.
- 6. Can Passper for PDF run on MAC OS?
- No. Passper for PDF supports Windows 10/8.1/8/7/XP/Vista only so far. If you are interested in MAC version, please send us an e-mail to email@example.com.
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