Lock PDF and Password Protect PDF for Android For Free

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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.
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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.
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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.
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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.
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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.
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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.

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What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
I worked with Elie tonight and your support is amazing. She was friendly, patient and knowledgeable. She was able me to better understand the PDFfiller and was able to accomplish what I wanted. Very Pleased with your service and product.
Sandy B
2017-01-27
What do you like best?
PDFfiller is really easy and its a one stop shop for all my needs especially when I am on the go. Obtaining a signature of another person and getting it automatically sent to the signature box makes everything so much easier. I love the editing feature where you can pretty much add text on the document wherever which is very helpful for my workflow.
What do you dislike?
The price is not the greatest and I would wish it could be a bit cheaper. I also think that the mobile feature could be easier to use and interface could be improved.
What problems are you solving with the product? What benefits have you realized?
I use all the features of PDFfiller it has. It probably has some that I haven't even realized that I have not used. The ease of using this program has done wonders for me and saves me time when I am in a rush.
Mary-Anne Cabansagan, MSW
2019-05-28
Its easy to use Its easy to use, and has so many options.Affordable and does everything i could want. Perfect for my shop. I'm extremely happy with this program!
james guerard
2019-10-12
It is amazing how simple this app is to… It is amazing how simple this app is to use. It is a real joy. I wish I had stumbled upon it years ago!
Anthony Testa
2019-08-06
The program is easy to use for searching for forms or updating my own documents. The program is easy to understand and use. It is intuitive for anyone used to editing documents or creating forms. I would prefer better opportunities to edit changes while in the same document. It can be challenging to erase and re-enter information.
Jennifer M.
2017-11-14
It was a little slow at the beginning… It was a little slow at the beginning until all information required was visible to agent - perhaps of the template for reply used. After that it was very quickly resolved. Thank you for todays agent.
Rolando Melgar
2023-10-28
Cancelling a subscription can be an intimidating and anxiety creating experience. NOT WITH THESE PEOPLE!!! Today I logged in to my account. ***** linked in as my Chat contact and in less then 1 minute the subscription was taken care of for me!!!! I have had to fight too many providers about cancelling subscriptions so THIS WAS REFRESHING!!! Such a contrast and it makes me want to stay connected with them if I ever need their services again.Don't hesitate to access their services and products.
Harold C
2022-02-14
its pretty user friendly even for an… its pretty user friendly even for an old fart like me.. gets the job done and has plenty of neat features
Brenda Bastos
2021-10-02
Easy to use. I always send the doc to myself before emailing to final destination, just so I know what it looks like on the receiver's end. Adding a personal note to the email is a bit cumbersome--could be better explained of who sees what.
Rhonda B
2020-10-13

Lock PDF and Password Protect PDF for Android

Protect your sensitive documents with the Lock PDF and Password Protect PDF feature for Android. This tool ensures that your files remain secure and confidential, giving you peace of mind in today's digital world.

Key Features

Add password protection to your PDF files with ease
Lock PDF files to prevent unauthorized access
User-friendly interface for quick navigation and secure setup
Compatible with various file types for broader usability
Store and manage all protected files securely

Potential Use Cases and Benefits

Safeguard personal documents such as tax returns and bank statements
Secure business contracts and legal paperwork to protect sensitive information
Prevent unauthorized sharing of reports and presentations
Maintain privacy for educational materials and research papers
Easily share protected files with trusted individuals

By using this feature, you can effectively solve the problem of document security. Instead of worrying about unauthorized access or data breaches, you can take control of your PDFs. You can lock and password-protect your files, ensuring they only reach the intended audience. This not only enhances your document security but also provides you with a reliable way to manage and share important information without fear.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

How to Lock PDF and Password Protect PDF for Android

Locking and password protecting your PDF files on Android is a simple and secure way to keep your sensitive information safe. With the pdfFiller app, you can easily lock and password protect your PDF files on your Android device. Follow these steps to get started:

01
Download and install the pdfFiller app from the Google Play Store.
02
Open the pdfFiller app on your Android device.
03
Sign in to your pdfFiller account. If you don't have an account, you can create one for free.
04
Once you're signed in, tap on the 'Lock PDF' or 'Password Protect PDF' option.
05
Select the PDF file you want to lock or password protect from your device's storage or cloud storage.
06
After selecting the file, you can choose to set a password for the PDF file. Enter a strong and secure password that you will remember.
07
Confirm the password by entering it again.
08
Tap on the 'Lock' or 'Password Protect' button to lock or password protect the PDF file.
09
Wait for the app to process the file. This may take a few seconds depending on the size of the PDF file.
10
Once the file is locked or password protected, you can find it in the 'Locked PDFs' or 'Password Protected PDFs' section of the app.
11
To unlock or remove the password from a locked or password protected PDF file, simply tap on the file and enter the password you set.
12
You can now securely share or store your locked or password protected PDF files on your Android device.

By following these simple steps, you can easily lock and password protect your PDF files on Android using the pdfFiller app. Keep your sensitive information secure and have peace of mind knowing that your PDF files are protected.

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 to set a password to protect PDFs on Android. Navigate to the password protection page in your preferred browser using your Android device. Click the button labeled “Select a file” to choose and upload your PDF from your Android. Create and enter a strong password, then retype it to confirm.
From the application, tap on the file to select it and enter the password. Inside the application, users need to tap on the three-dots icon in the top right corner. Select Change Password and tap on Remove Password to disable the password-protection on the document.
Click the Select a file button above or drag and drop a PDF into the drop zone. Enter a password, then retype it to confirm the password. Click Set password. Download the password protected PDF document or sign in to share it.
Open the PDF and choose Tools > Protection > Encrypt > Encrypt with Password 6. If you receive a prompt, click Yes to change the security. 7. Select Require A Password To Open The Document, then type the password in the corresponding field.
Check out our guide to removing a password from MS word with examples. Rename the PDF file. ... Change the PDF file format. ... Use an online password remover to unlock the PDF. ... Edit with Wordpad. ... Save the PDF as a new file. ... Open the PDF with Google Chrome.
From the application, tap on the file to select it and enter the password. Inside the application, users need to tap on the three-dots icon in the top right corner. Select Change Password and tap on Remove Password to disable the password-protection on the document.

How to Lock PDF and Password Protect PDF for Android - video instructions

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