Last updated on
Sep 20, 2025
Unlock PDF and Secure PDF File for Android For Free
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
Create & edit PDFs
Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
Fill out & sign PDF forms
Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
Organize & convert PDFs
Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
Collect data and approvals
Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
Export documents with ease
Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
Store documents safely
Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.
Customer trust by the numbers
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average user rating
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Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
Well, I tell you what...ease of use and timely features aside, if it were not for pdffiller.com, I might well be losing my job. Thanks for being there when I needed you the most! Charley
2016-01-30
This is a very convenient service. We are purchasing a home and being able to fill out the large amount of paperwork online and return in a professional format has really come in handy. I would definitely recommend PDF Filler.
2016-04-20
I had issues getting signed up for the…
I had issues getting signed up for the free trial, but the customer service handled everything to get me working today, which is fantastic customer service.
2024-09-28
Great customer support
I think it is great but I decided I didn’t need it and wanted to cancel my free trial so I contacted the company and Ma was the representative who helped me. Very friendly, professional, knowledgeable and very helpful and my request was granted speedily. The customer support is absolutely wonderful.
2024-01-25
Expensive for irregular user but overall excellent!
Expensive if you are an occasional user, and I wish the "fill in the blanks" were a little more automatic with alignment. But overall excellent!
2023-04-04
I was told by a lawyer that the cost of…
I was told by a lawyer that the cost of his writing a Consent Order would be $2000.00.
Instead, I used PdfFiller and it cost me $144 for a year's subscription with the same results.
Kind of a No Brainer.
Thank you PdfFiller.
2022-08-06
kara was great
kara was great. I am an older computer geek who never got into such things as screenshots. Not only did kara patiently deal with my problem but she also helped me with her request of a screen shot. i have 2nd and 3rd level support at ibm on global WAN's so i have an appreciation for what Kara did for me. Please give her kudo's and preferably a raise for dealing with an older computer geek
2021-10-28
Only would like a print out instruction…
Only would like a print out instruction sheet. I love being able to create contacts in a few minutes. Make my template and just fill in the info to create a new contract.
2021-04-05
Easy to use however as a student and…
Easy to use however as a student and not a large user of this functionality, the plans are not fit for my purpose.
2025-05-25
Unlock PDF and Secure PDF File for Android
Managing PDF files on your Android device can be challenging, especially when you encounter locked documents. With our Unlock PDF and Secure PDF File feature, you can easily access and protect your important files. This tool simplifies the process, letting you focus on what matters most.
Key Features
Unlock encrypted PDF files effortlessly
Secure your PDF documents with passwords
User-friendly interface for quick navigation
Support for multiple file formats
No cloud connection required for processing
Potential Use Cases and Benefits
Access important work documents without hassle
Share secure files with clients or colleagues
Protect sensitive information from unauthorized access
Organize personal records safely on your device
Ensure compliance with privacy standards
This feature addresses your need for convenience and security. Whether you want to unlock a PDF to view a report or secure personal files, our tool provides a reliable solution. You no longer have to worry about accessing locked content or exposing sensitive data. With just a few taps, you gain control over your PDF files.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
How can I open password-protected PDF file in Mobile?
Now, Open your file explorer, the default one or ES and navigate to the password encrypted PDF file you intend to open. Here select the Open with Drive PDF Viewer option as shown in the above image. Here, enter the password given to you for the PDF file and tap on the Open button.
How can I unlock a PDF file for free?
Drag and drop your document in the PDF Password Remover.
Confirm that you have the right to the file and click 'Unlock PDF!'.
The decryption process should start right away.
Modify your PDF further, or click 'Download File' to save the unlocked PDF.
How do I unlock a secured PDF file?
Click CHOOSE FILE. It's a green button on the right side of the page.
Select your PDF file. In the window that opens, go to the location in which your PDF is stored, then click the PDF once to select it.
Click Open.
Enter the user password.
Click UNLOCK.
Click VIEW & DOWNLOAD IN BROWSER.
How to Unlock PDF and Secure PDF File for Android - video instructions
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