Accelerate the way you Lock PDF Files on Computer For Free

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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+
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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:
I know that most IRS forms are free and can be saved to my files, however sometimes trying to download the forms is difficult to do. PD Filler is much more user friendly and easy to follow.
Margie R. C
2015-03-07
I have enjoyed the ease of the program but I there are things I need to know. I'd like to be able to alphabetize my patients and store them more easily.
Cherry M
2017-01-19
It is easy once you know where to find what you are looking for! That is why I appreciate the on line connection 24/7. They know their product and waste no time getting you the answer so you can complete the task at hand.
Allene U
2017-06-11
What do you like best?
I really like how I can fill out any form and it will turn it into a pdf. I also like how I can sign any form with my signature.
What do you dislike?
I do not really enjoy filling out forms that do not provide just a box to type in, rather it is little individual boxes for every letter. When the form is this way. I have to insert a new text box for every letter so that the letters would fall in their own little box and doesn't look out of place. These are the forms that are difficult to fill out. Unless there is a setting I haven't figured out yet.
What problems are you solving with the product? What benefits have you realized?
I am currently a law school student. There are a lot of forms I have had to fill out and PDFfiller makes this so much easier because I can just send them electronically to those who are alright with receiving them electronically.
User in Law Practice
2019-02-25
I like that I can create a fillable PDF… I like that I can create a fillable PDF and merge documents together. This program has a lot of good features that other companies don't offer.
Susan M.
2024-01-24
Good experience but unfortunately, I don't need this product at the moment so I will not be renewing my subscription. If I decide to work on taxes in the coming year, I will subscribe.
James Edward K
2023-11-07
good goodgood goodgood goodgood… good goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood goodgood good
Ten La
2023-03-16
What do you like best? pdfFiller is an excellent product at a great price. The 5-user shareable version is only $15 a month. That is the total for all 5-=users. They also have exceptional support, though you rarely need it. It also gets new features often, such as an inexpensive library of 80,000+ legal and tax forms. Michael Block CPA mblock@blocktax.com What do you dislike? The fax option is $10 a month. It should be $5. However, a $3 third-party fax add-on works with it What problems are you solving with the product? What benefits have you realized? We fill out many forms quickly, which would be very time-consuming.
Mike Block CPA
2021-08-16
What do you like best? No more filling in forms with my handwriting. What do you dislike? Nothing really. I have found it be very helpful. Recommendations to others considering the product: Easy to use and affordable. What problems are you solving with the product? What benefits have you realized? A nice looking final document with legible information as opposed to my illegible handwriting. No need for a typewriter to fill in blanks on forms which means more space for other equipment.
Lynn Bottenus
2020-08-17

Learn how to Lock PDF Files on Computer in minutes

Think of your document workflow, how does it function, what are the bottlenecks? Do you have an all-in-one software to handle everything or do you use multiple tools in bulk to get the desired result? In case you are on this page, you're most likely looking for a service that can help you Lock PDF Files on Computer using a solution that streamlines your processes, is affordable, and easy to use.

pdfFiller is a web-based application that can be used on both desktop and mobile but you can also install an application for iOS and Android to accelerate processes and make them more convenient while on the go. Access and edit PDF files from your browser of preference and device anytime, anywhere.

When searching for an acceptable solution, pay attention to:

01
Third-party integrations. Consider having tools that can be combined with other platforms. Integrations with cloud storages are a must.
02
An all-in-one service. Update content, manage pages, insert fillable fields, and convert files in one comprehensive editor.
03
Cross-platform functionality. Check if you’ll be able to utilize the solution on all your devices.
04
The number of available features. Make a list of the most important options and examine if the platform offers them. Most likely, you need to do more than just Lock PDF Files on Computer.
05
The ability to work in a browser and an app. Consider using solutions that offer you more than one way to operate. Combining applications with the ability to work in browsers makes you more flexible.

After implementing pdfFiller, you are going to commence to handle PDF files quicker. No longer browsing online attempting to merge multiple tools. Begin with a extensive PDF editing tool. Try it now!

Accelerate the Way You Lock PDF Files on Your Computer

Enhance your document security with our efficient PDF locking feature. Protect sensitive information in your PDF files and ensure that only authorized users have access. This tool offers a streamlined approach to locking your files, making it easy and fast for you to safeguard your important documents.

Key Features

Simple, user-friendly interface for quick file locking
Strong encryption to keep your documents secure
Batch processing for locking multiple files at once
Options to set passwords for different levels of access
Compatible with various operating systems and PDF formats

Potential Use Cases and Benefits

Ideal for businesses needing to protect client information
Useful for freelancers securing contracts and proposals
Great for anyone wanting to secure personal documents like tax files
Provides peace of mind when sharing files via email or cloud services

By using this feature, you can solve the problem of exposing sensitive information. Locking your PDF files empowers you to control who accesses your data, reducing the risk of unauthorized use. With just a few clicks, you can ensure your confidential information remains private and secure.

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 Files on Computer with pdfFiller

Locking your PDF files on your computer is a simple and secure way to protect your sensitive information. With pdfFiller's Accelerate the way you Lock PDF Files on Computer feature, you can easily add password protection to your PDF documents. Follow these step-by-step instructions to learn how to lock your PDF files on your computer using pdfFiller:

01
Open pdfFiller on your computer and log in to your account.
02
Click on the 'MyBox' tab at the top of the page.
03
Select the PDF file you want to lock from the list of documents in your MyBox.
04
Once the PDF file is open, click on the 'Lock' button located in the toolbar.
05
A pop-up window will appear asking you to set a password for the PDF file. Enter a strong and unique password that you will remember.
06
Confirm the password by entering it again in the 'Confirm Password' field.
07
Click on the 'Lock' button to apply the password protection to the PDF file.
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Congratulations! Your PDF file is now locked and protected with a password. You can now safely share or store your sensitive information without worrying about unauthorized access.

By following these simple steps, you can easily lock your PDF files on your computer using pdfFiller's Accelerate the way you Lock PDF Files on Computer feature. Keep your sensitive information secure and enjoy the peace of mind knowing that your documents 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
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.
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.

Video instructions on how to Lock PDF Files on Computer

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