Last updated on
Sep 19, 2025
Encrypt PDF Online For Free
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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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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 wish to gain more experience before making a committment, but, thus far, I am finding the product useful.
Since writing the above, I have used the PDFfiller to complete a batch of same-format, but different forms, and found it convenient to be able to use the one basic form for each of my projects.
2016-11-07
Program is a time saver for me.
Plus my reports have a more professional appearance.
I would not want to go back to doing it the old way.
Thank you PDFfiller!
2017-01-19
It is very easy to use although there are somethings I don't understand what they are for. Other than that this is the easiest most convenient way to submit forms without the other party having to try to read your own writing.
2017-08-16
The application i sy to use and functions very well. I have had no issues with the app. Would like to know what "Host a Fillable Form"s. Opens an "Employment Agreement" when I click on it.
2019-09-21
This is a very handy program to have access to when you need employee signatures, but they work in different locations throughout the country. It eliminates the need for faxes or snail mail.
2019-12-26
Very good easy to use program
Very good easy to use program. Customer service is great I miss read and accidentally signed up for a whole year in one go instead of just for the month, they quickly resolved it for me and refunded the difference. =) if I ever need to do documents online again I will definitely use their service again
2019-05-23
Like most of the features
Like most of the features, I would like it if I could make boundaries and then just fill in the inside of the shape that I make like the old-school paint application.
2022-03-01
pdf filler was kinda a letdown
3/5 it was cool and yea sometimes know when to say no
I use it for specific content for signature and pdf
just didnt like the feel of the software so im moving on
2021-09-16
Kara to the rescue
I received a email today say my PdfFiller was paid! I cancelled that subscription July 2020 but it wasn’t received and I panicked!! Kara took care of cancelling the subscription and got me refunded immediately! She was a lifesaver!! Thanks PdfFiller and Kara!!
2021-09-07
Instructions and Help about Encrypt PDF Online For Free
Sometimes we hear that someone got into somebody’s mailbox, hacked into a database or stole private account information. Any user of this or that cloud storage can pose a perfectly valid question: ‘Are my documents safe?’ or ‘What measures can I take to protect my sensitive information?’ Our answer to the first question is unconditionally affirmative, and if this is not enough, you can additionally protect your documents with two-factor authentication in your Encrypted folder. To activate the Encrypted folder, select it in MY BOX and enter your cell phone number.
You will immediately receive an activation code via text message. Enter the activation code and click Verify to create a password.
Create and confirm your password to open the folder.
To add documents to the Encrypted folder, drag them from any other folder. After you’ve finished working with your protected documents, close the Encrypted folder by clicking the key icon. It will also automatically lock after 10 minutes of inactivity.
To access the documents in the Encrypted folder, you will have to enter your password again.
To learn more about how to encrypt PDF documents online, please watch the following video:
If you like being able to encrypt PDFs online, you might be interested in a range of other great features that pdfFiller has to offer. Some of these include tracking all activities in your account, creating a unique document ID for any document, creating templates, converting PDF documents to Word, Excel or PowerPoint documents. Check out these tutorials to see the other great things that pdfFiller can do for you.
Encrypt PDF Feature Product Description
Welcome to our Encrypt PDF feature! Secure your documents with ease.
Key Features:
Effortlessly encrypt PDF files with a click of a button
Choose from various encryption strength options
Protect your sensitive information with password protection
Potential Use Cases and Benefits:
Securely share confidential documents with colleagues or clients
Ensure compliance with data protection regulations
Safeguard your personal information from unauthorized access
Encrypt PDF feature is the solution to your document security concerns. With our simple and reliable encryption tool, you can rest assured that your files are safe and protected. Try it out today and experience peace of mind!
How to Use the Encrypt PDF Feature in pdfFiller
Encrypting your PDF files adds an extra layer of security to protect your sensitive information. With pdfFiller's Encrypt PDF feature, you can easily encrypt your PDF documents and ensure that only authorized individuals can access them. Follow these simple steps to use the Encrypt PDF feature:
01
Log in to your pdfFiller account. If you don't have an account, sign up for free.
02
Upload the PDF file you want to encrypt. You can either drag and drop the file into the pdfFiller interface or click on the 'Upload' button to select the file from your computer.
03
Once the PDF file is uploaded, click on the 'Encrypt' button located in the toolbar at the top of the page.
04
A pop-up window will appear, allowing you to set a password for the encrypted PDF. Enter a strong password that is easy for you to remember but difficult for others to guess. Make sure to include a combination of letters, numbers, and special characters.
05
After setting the password, click on the 'Encrypt' button to encrypt the PDF file. pdfFiller will automatically encrypt the document and save it as a secure PDF.
06
You can now download the encrypted PDF file to your computer or share it securely with others. Remember to keep the password confidential and share it only with authorized individuals who need access to the document.
By following these steps, you can easily encrypt your PDF files using pdfFiller's Encrypt PDF feature. Enjoy the peace of mind knowing that your sensitive information is 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?
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How do I Encrypt a PDF without paying?
First, open the document, click on the “Info” tab, “Protect Document,” and then “Encrypt with Password.” File archiver programs like WinRAR can be useful when you need to to password protect several PDFs.
How can I Encrypt a PDF for free?
First, open the document, click on the “Info” tab, “Protect Document,” and then “Encrypt with Password.” File archiver programs like WinRAR can be useful when you need to to password protect several PDFs.
How do I password protect a PDF online?
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. Sign in to download or share your protected PDF.
How can I Encrypt my PDF?
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.
Is there a free way to Encrypt a PDF?
PDFEncrypt is a free, open-source native Windows app that allows you to password protect (encrypt) PDF files for free, without purchasing expensive software. PDFEncrypt is a free, open-source utility to encrypt PDF files using standard PDF encryption algorithms.
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