Password Protect PDF and Encrypt PDF for Computer For Free

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Last updated on Sep 21, 2025

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Users Most Likely To Recommend - Summer 2025
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Every PDF tool you need to get documents
done paper-free

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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.
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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.
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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.
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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.
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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.
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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.

Customer trust by the numbers

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
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:
good solid editor-- would like to see other payment choices, like a quarterly option, and even instead of relying on automatic renewal, send a reminder email prior to the renewal to ensure the user is still consistently using product
Jo Ann L
2014-08-27
I think this is the most user friendly app and the customer service experience has been outstanding. I have MS and am computer challenged. Thank you for making my life a little easier.
Deana
2019-11-11
Quick on the go use This software allows for quick on the go use with only my cellphone. No need to print, fill out, scan and email. There are several applications I have not used with this software
Amanda P.
2022-07-08
it is very easy to use it is very easy to use, it has very clear tool box, however i haven't used it for very long. but this far i am completely satisfied. but i will always give 1 star left because i know there is always a room for improvisation
phadha
2022-04-20
Let me start by saying I am an older (58), computer challenged kind of a guy. That said, I have found this program pretty easy to get around. I have been able to take a form my company uses and digitize it so I can actually read the responses people are giving me!! And to be able to store them electronically for future reference.
JERRY N
2021-06-11
Great service Great service, and offered and processed a refund within minutes of me not needing my subscription anymore. Will definitely be coming back once I need their services again.
Drew Williams
2020-12-15
where has this been all my life where has this been all my life. i'm 20 minutes into download, clicked buy, installed laptop & cell. already created two forms & makes my time with older versions of fillable PDF generator programs seem like a million years ago.
KDBest
2020-09-22
Love it PDF filler has simplified our entire document completion process. We use it for everything from employment benefits, court documents, and even financial management docs.
TaNeashia Sudds
2020-07-16
love pdffiler has made it my "go to" for tax forms, everything so far has worked great as far as downloads and fillable pdfs. will be purchasing in future for sure. thanks, team
keith
2025-04-02

Password Protect PDF and Encrypt PDF for Computer

Secure your documents with our Password Protect PDF and Encrypt PDF feature for computers. This tool ensures that your sensitive files remain confidential and accessible only to authorized users.

Key Features

Easy-to-use interface for quick setup
Strong encryption to safeguard your files
Customizable password settings for enhanced security
Support for batch processing to secure multiple files at once
Compatibility with various PDF formats

Use Cases and Benefits

Protect personal documents, such as tax files or medical records, from unauthorized access
Secure business proposals and contracts during client presentations
Safeguard intellectual property, including plans and designs, from prying eyes
Share files securely with colleagues while ensuring privacy
Comply with data protection regulations by encrypting sensitive information

With Password Protect PDF and Encrypt PDF, you can rest assured that your files are safe from unauthorized access. Whether you work in an office or manage your personal documents at home, this feature provides you with peace of mind. By implementing strong encryption, you not only protect your sensitive information but also maintain your professional reputation. Start using this tool today and experience the ease of secure document management.

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 and Encrypt PDF for Computer - video instructions

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025