17 Best PDF Unlocker Tools for Windows [Updated]

PDF (Portable File Format) is a file format used to present and exchange any document which is reliably accessible independent of any software, hardware or operating system. Adobe invented it, but now it is an open standard maintained by the International Organization for Standardization (ISO). Thus, you must know about these PDF Unlocker Tools now.

Read an Article to know about CleverPDF

Have you ever come across a pdf file you want to explore but unfortunately locked or password protected? And now you want to unlock it. So let me find you the best possible solution.

See Also: [Updated] 14 Best Free PDF Annotator Software for Windows

Let us first explore the tools available online. It is probably the best option. You need to upload the protected files first, and after the successful process, you need to download the open files. The sites which are worth mentioning are:

Top 17 PDF Unlocker Tools


You will find this as the best software to unlock the pdf on the internet. You can easily decrypt the password and access pdf with this application. With this one tool, you can enjoy many features like creating, annoying, cropping and converting. It has monthly 2 million users, and many new people are coming adding themselves to the community day by day.


This tool can support many different languages. If you want to edit the scanned PDF, then you can do it in PDFelement. You can run it on different versions of Windows.

Visit: PDFelement


It is a free online PDF lock remover available on the web. You need to upload the encrypted PDF file, wait a few seconds while the password is being removed, and then download the new decrypted PDF. It will decode PDF files up to 128-bit AES encryption. The maximum PDF size is 400 MB.



It is an easy-to-use online PDF password breaker that is available online. It works on the same principle as the above. Just upload the locked file and download the open file. But here, you have a limit of 20 MB files also. The encryption is low.


PDFCandy is a new one of the PDF Unlocker Tools with a very user-friendly interface. Once visited, you will get all the useful tools for a PDF in one place. You can edit files, merge and split them, compress them and also unlock PDF files. The processing speed of this site is pretty fast and delivers quality work.

PDF Candy
PDF Candy


It is another free online PDF unlocker. It has several other features, like PDF to Word, compress PDF, Rotate PDF, merge PDF, etc. it has a limit of 100 MB file size.



It is an online website through which you unlock secured pdf online. It has features like PDF splitting, Merging and converting. Though being an online website, it is risky to upload documents on it. The website’s user interface is really simple, and you do not get any trouble doing your work there.


The most important thing about this website is that you get all the features mentioned above free. Moreover, you dont need to download any software or packages to use this website.


This is one of the oldest PDF Unlocker Tools on the web. Here you can unlock PDF in a batch. Also, you can Convert Any Documents Like Word, Excel, images, etc., to PDF for free on this site. It offers file compression and decryption for file up to 128-bit encryption.

Free PDF Unlocker

This software uses Bruteforce attacks to unlock the pdf, and you can go for this option if you do not have any idea of the password. It is a fast and efficient software. You can also give this software your dictionary of suggested words, and it will use that dictionary to unlock the PDf. It has a very easy and neat user interface.

free pdf unlocker
Free PDF unlocker

You have to download this application to your PC, and it will come with a user guide that can guide you to do the installation. It is a secure application to use. The software is completely free, so you can take the features for granted.

See Also: How to Convert VCE to PDF Files | Best Methods


The primary function of this site is to let user join PDF files online. It offers other tasks like compress PDF, PDF to Word, JPG to PDF, PFD unlock, etc. The site uses small size files of up to 20MB. You also get a free PDF editor tool online for various editing requirements like split, rotate, etc.

PDF Merge
PDF Merge

If the first process fails, we can take the help of different software available for windows. This software has some added advantages. Almost all of them have unlimited file size. They have a high success rate with high decryption rates.

See Also: – 7 Best Free PDF Annotator Software for Windows – TechWhoop

Some of the top-rated software available for PFD decryption and various editing are:


PDFCrack is the best free PDF password recovery tool available as open-source software. It uses a brute-force password recovery program listed under 128-bit RC4 encryption.
It recovers both the user and owner password from encrypted PDFs. PDFCrack is a cmd line tool and should work on 32-bit and 64-bit versions of all Windows XP windows.

See also: 8 Best Folder Lock For PC To Ensure Your Privacy


As the name suggests, it supports all the possible conversions with a PDF file like a Word to PDF, image to PDF, etc. You can use this site to unlock PDF files up to 128-bit level 7 encryption.

See Also: How to Convert ETE to PDF Files | Latest Ways (2018)


Sejda.com is a completely free online website that can unlock pdf file online. It also has many other features like merging, splitting, conversion of one format to another. It is a fullyfeatured website that can do all your pdf related work in one place.


You can also crop and create PDF by its drag and drop functionality. It can support many different languages. The amazing thing about this software is you do not need any space on your PC, and you can complete your work fully online.

GuaPDF Demo

GualPDF Demo is a combination of PDF password remover/recovery tool. It is easy to use and doesn’t even require installation. It is primarily a PDF password remover for the owner password. GuaPDF can, however, decrypt PDF files at higher levels of encryption with even 256-bit AES encryption.


Aimersoft is an online tool that cracks the password from your PDF easily. The only criterion for removing the password is that the PDF size must be less than five MBs. You can easily go to its website and use its various features.


This tool charges no money from you, so dont worry about money and use it as much as you want. It will store your file for the day so that you can access it according to your need.

See Also: 10 Best Free & Paid WinRAR Password Remover Software

PDF Password Remover

PDF Password Remover is another installable PDF decrypter tool with a simple PDF-in / PDF-out interface. As the name suggests, it is a password remover tool for owner password. This one of the PDF Unlocker Tools works on all files encrypted at 128-bit RC4.

SysTools PDF Unlocker

SysTools is another paid installable PDF Unlocker. It can remove any PDF restrictions for printing, copying, editing and extract text. It has an inbuilt PDF editing tool and works offline. Not to mention, it can unlock files in batch with 128/256-bit encryption.

SysTools PDF Unlocker
SysTools PDF Unlocker

It is compatible with all windows versions. Similarly, it is an owner copyrighted software with a one-time purchase for $29. Systool guarantees 100% user satisfaction and scores 8.4 out of 10 as a document management software by FinancesOnline.

Estelar PDF Unlock Tool

It is another paid utility software for PDF files. Also, it can unlock PDF files of encryption up to 256-bits. It runs on all Windows platforms and provides various other useful tools like PDF editing, file marge, etc.


This PDF Unlocker tool comes with a one-time payment of $19 with 60 days of money-back. It also comes in a free evaluation version which provides the user with a 7-days trial.

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