Secure and Password Protect PDF for free

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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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Discover the simplicity of processing PDFs online

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

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 was very impressed with all the option that were readily available to me. The library was amazing, and aside from business I found things for my children, as well.
Leslie G
2018-12-18
Definitely Useful As I mentioned, it makes the mailing process much more efficient. PDFiller allows you to create and mail PDFs easily, saving you the hassle of getting an envelope, purchasing a stamp, maybe having to go to the post office, etc. For me that has been its greatest strength. The PDF customization interface isn't bad, but it's not immediately usable. It takes a little bit of time to learn how to use it effectively. Right off the bat: I would not recommend this software to someone who isn't tech savvy or doesn't want a bit of a learning curve, for example, employers I've had in their 50s, 60s, and 70s who don't really "get" technology. The interface is fine if you just want to sign a document, but is not particularly intuitive when it comes to doing simple things like outright deleting portions of text. Too many steps.
Adam A.
2019-11-15
Wow! Finally a real online PDF editor, no more troubles on changing text and much more! Just found it randomly, and since the beginning it shows me lots of features to edit pdf like texts, images, signs, highlights and more. The graphic looks a bit oldie, but this is not a problem at all. Functionality first! 30 days trial, then you've to pay.
Giulio G.
2019-02-08
What do you like best? The ability to easily upload various documents and manipulate as needed. What do you dislike? The difficulty in emailing a document and getting a notification when the die is opened. Could it be less than using a PIN to access the document. Although the security is a nice factor. Recommendations to others considering the product: The most valuable tool you can add to your toolbox. What problems is the product solving and how is that benefiting you? PdfFiller allows me to send confidential documents to my districts HR keeping my payroll moving forward.
Mark Lawler
2022-05-27
Easy & fast customer service I realized that my account was still active-- and I was still being billed-- after leaving my last role. I reached out to the support team on the chat function and they quickly resolved the issue for me-- canceling the transaction right away.
Lydia Emmons
2021-09-27
It was tough,but I think I got through it. Nice to know that I can contact help if I need it. This might work better than Adobe verison. it's more affordable.
William R. K
2021-09-27
It works well It works well, although at times its clunky, but I believe that is due to my pc being too weak to run it smoothly. I would recommend.
JASON GOTT
2021-07-28
PdfFiller helped me to edit and fill in… PdfFiller helped me to edit and fill in my work documents quite easily! It has made my day! Thanks.
Johnson Kamau
2021-01-11
Great customer experience with this company. Very responsive to technical questions and billing service cared more about our satisfaction than most companies even though it wasn't to their direct bottom line advantage. Will use them again surely.
Tim K
2020-06-10

pdfFiller — a simple tool to Secure and Password Protect PDF online

If you're fed up with utilizing single-function platforms in which you are only capable of complete just a single manipulation, we know how you feel. Hours are wasted switching back and forth between numerous solutions. Try out pdfFiller to get things done quicker and improve this kind of processes.

pdfFiller is a certified, online PDF editor that works from the cloud. To be able to Secure and Password Protect PDF, just open a web browser, log in, choose a template, and Secure and Password Protect PDF in minutes. With our service, the process of editing files in PDF is easy and quick, seamless actually. An advanced set of tools lets you do what you need and even more. Here are the most helpful features you can use within your documents on pdfFiller:

01
Page management. Rotate, delete, or add new pages to give and collect more details
02
Watermarks. Protect your template by placing your logo or name on pages
03
signatures. Approve any document right from your device
04
Fillable fields. Embed them to allow clients to provide data
05
Extensive export. Send a form out by fax or email, transfer it to the cloud storage, or simply download as one of the available formats: PDF, DOCX, XLSX, PPTX, and JPG
06
Templates. Generate reusable forms and fill them out as many times as you need

pdfFiller is not only useful for Secure and Password Protect PDF but keeps the information safe. We maintain the service based on the US and EU data protection standards. Thanks to the two-factor authorization, you don't have to go another day with your data exposed to unauthorized third parties.

Value your time and get started with pdfFiller today for an efficient approach to document management.

Secure and Password Protect PDF Feature

Protecting your documents is vital in today’s world. With the Secure and Password Protect PDF feature, you gain control over who can view, edit, or share your sensitive information.

Key Features

Set strong passwords to restrict access
Encrypt your documents for added security
Customize permissions for viewing and editing
User-friendly interface for easy implementation
Compatible with various PDF readers

Potential Use Cases and Benefits

Share confidential business reports without fear of unauthorized access
Protect legal documents during negotiation processes
Safeguard personal information in forms and applications
Ensure only intended recipients can view sensitive materials
Maintain compliance with data protection regulations

By utilizing the Secure and Password Protect PDF feature, you address the challenges of document security. This tool empowers you to share important information securely, giving you peace of mind and enhancing your overall document management strategy. You no longer have to worry about who can access your PDFs, allowing you to focus on what matters most.

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!

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
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.
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 protected PDF document, or sign in to share it.
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.
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.

Secure and Password Protect PDF Video Review

#1 usability according to G2

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