Password Protect PDF: lock and secure your PDF file For Free

Drop document here to upload
Select from device
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
0
Forms filled
0
Forms signed
0
Forms sent

Discover the simplicity of processing PDFs online

Card illustration
Upload your document in seconds
Card illustration
Fill out, edit, or eSign your PDF hassle-free
Card illustration
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Trust Seal
Trust Seal
Trust Seal
Trust Seal
Trust Seal
Trust Seal

Every PDF tool you need to get documents
done paper-free

Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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

Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
I am just getting started. I am happy with the forms - only done one but in a panic- and you all came through. However, I signed up for the monthly plan and I got a bill saying the amount was $180 - the annual amount.How can I verify that I signed up and will be billed monthly at $15.00? I will be happy to do a survey in a month or two.
Georgia G
2017-02-12
I have enjoyed the ease of PDFiller being able to use multiple forms, using a signature and faxing all from the convenience of my computer. LOVE IT!!!
Dawn Gaye S
2018-01-28
free trial is great thanks but not sure how long i will need access for. I can cancel my subscription and thats great too but it means that i most likely wont pay the first subscription. Great for me but not for you. My point is, I would have been more than happy to pay maybe a "pay as you go" fee. Something like £2 to download for example, then maybe i would have to subscribe to use the other options available. just a though. thanks for a great site though :)
shaun w
2019-06-27
een using PDF filler for a couple… been using PDF filler for a couple years, it keeps track of all my forms on my pc as well as my iphone, would definitely recommend
RD Wats ID
2020-03-25
It was easy to navigate and find the forms that i needed and fill them out without confusion. I was able to fill iin information and send to my email with ease.
Sara U
2024-09-02
VERY EASY TO USE PLUS ONE SUGGESTION VERY EASY TO USE. THE ONLY THING I THINK NEEDS TO CHANGE IS THAT WHEN I SAVE THE DOCUMENT, INSTEAD OF SAYING IRS FORM 940 (OR SOMETHING CLOSE TO THAT) I THINK THE YEAR OF THE FORM THAT WAS WORKED ON. FOR EXAMPLE: IRS FORM 940 2019
Virginia Cammarano
2022-06-16
AMAZING FOR ALL OF YOUR DOCUMENT NEEDS. I have tried many pdf editors as I work with several different forms in the Real Estate Industry. Pdf-filler takes the cake by far! It is simple, easy to learn, and has an entire library of ready made forms. This is my go to for any and all of my document needs.
Ashley
2020-12-28
What do you like best? Ability to quickly and easily edit PDF's What do you dislike? Sometimes it's difficult to undo changes made. What problems are you solving with the product? What benefits have you realized? I work in real estate and I often need to fill in PDF's with information for my clients. Being able to do in a web based platform makes it easy to do on any computer.
Derek Abbott-Molina, MBA, MPM
2020-08-30
Relatively easy to use and work with… Relatively easy to use and work with files. Although, it takes a bit of effort for age challenged individuals.
Bob Smith
2020-07-15

How to password-protect a PDF?

With pdfFiller, you can add a password to PDF and protect it in a few simple steps.
Use the Encrypted Folder in the Documents section to add a layer of security to your documents with two-factor authentication.
Screen
To activate the Encrypted Folder, enter your mobile phone number. Receive an activation code and create and confirm a password for the Folder.
Screen
To add documents to the Encrypted Folder, move them from any other folder. Lock the Encrypted Folder by clicking the key icon or wait for it to lock automatically after 10 minutes of inactivity.
Screen
Now your documents are securely stored in the Encrypted Folder and won’t appear in My Documents. Access them by entering the password you’ve set.
Screen

How to password protect PDF with pdfFiller:

01
Activate the Encrypted Folder using your phone number.
02
Set a secure password to protect the files in the Folder.
03
Move your documents to the Encrypted Folder.
04
Enter the password when you need to access your documents.

Protect Your PDFs with Password Protection: Safeguard Your Files Today!

Are you worried about the security of your sensitive PDF files? Look no further than our Password Protect PDF feature!

Key Features:

Encrypt your PDF file with a secure password
Control who can access and edit your PDF
Add an extra layer of security to protect your valuable information

Potential Use Cases and Benefits:

Securely share confidential documents with clients or colleagues
Protect important financial information or contracts from unauthorized access
Safeguard personal documents from prying eyes

By using our Password Protect PDF feature, you can ensure that your files are safe and secure. Say goodbye to worries about unauthorized access and protect your information with ease.

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 Password Protect PDF: Lock and Secure Your PDF File

Protecting your PDF files with a password is an essential step to ensure the security of your sensitive information. With pdfFiller's Password Protect PDF feature, you can easily lock and secure your PDF files. Follow these simple steps to get started:

01
Log in to your pdfFiller account. If you don't have an account yet, you can sign up for free.
02
Once you're logged in, click on the 'MyBox' tab at the top of the page.
03
In the 'MyBox' section, locate the PDF file you want to password protect and click on it to open it.
04
After the PDF file opens, click on the 'Protect' tab in the top toolbar.
05
From the dropdown menu, select 'Password Protect'.
06
A dialog box will appear where you can enter your desired password. Make sure to choose a strong password that is not easily guessable.
07
Confirm your password by entering it again in the 'Confirm Password' field.
08
Optionally, you can choose to set additional permissions for your PDF file, such as allowing or disallowing printing, copying, or editing.
09
Once you've set your password and permissions, click on the 'Protect' button to apply the password protection to your PDF file.
10
Your PDF file is now password protected! You can download it or share it securely with others while ensuring that only authorized individuals can access its contents.

By following these steps, you can easily lock and secure your PDF files using pdfFiller's Password Protect 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?
Contact Support
Yes, all the documents you have in your pdfFiller account can be password-protected with the help of the Encrypted Folder.
The Encrypted Folder is a place to lock PDF documents with an additional layer of security. To access the folder and its contents, you will need to enter the password.
To activate, click Encrypted Folder in the Documents section, enter your mobile phone number, and then enter the activation code you receive via text message. After that, create and confirm your unique password.
If you did not receive an activation code, click “Send the code again” at the bottom of the activation popup, and make sure your mobile phone number is entered correctly. Please keep in mind that the text message may take a few minutes to arrive.
To reset your Encrypted Folder password, click “Forgot your password?” at the bottom of the Encrypted Folder login popup. You'll be returned to the authentication screen and asked to enter your mobile phone number again.

How to Password Protect PDF: lock and secure your PDF file - video instructions

#1 usability according to G2

Try the PDF solution that respects your time.
Trust Seal
Trust Seal
Trust Seal
Trust Seal
Trust Seal
Trust Seal