Unlock and Lock PDF 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
Note: Integration described on this webpage may temporarily not be available.
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
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

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

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:
I absolutely love it. I still haven't figured out all the things it will do and how to do them, but it has been saving me a lot of time in my job. Saving me a lot of white out!
Carol
2016-08-30
So far, so good. I love the fact that, before I paid--my documents were always saved and not lost. So that later, when I was ready to pay, I didn't have to start over. That was awesome.
CAnne
2017-05-22
It was the worst because I had no idea how to work the program. It took well over 5hrs for something that should have taken less than 5 mins had a I known what to do
Anonymous Customer
2018-06-06
such an amazing site!! I love PDFfiller.com!! it makes editing forms so simple and easy! I would have rated 5 stars but I have a difficult time using it on mobile devices.. other than that it is the #1 tool I go to when I have to edit or even FIND a document using the search tool! when I finish a document I can send via TEXT, eMail, Fax, WhatsApp and so many more!! or I can just print or save for later. Thank You So Much for this wonderful site! I recommend this to anyone and everyone!!
Toast
2019-07-12
What do you like best?
I love the program as a homeless case manager, I can review information with clients, send to them for review, and signature from my office
What do you dislike?
It needs a desktop application for easier access vs going to the website all the time.
What problems are you solving with the product? What benefits have you realized?
decreasing my travel, having access to documents when I need them in the PDF website, and access to cloud networks
Consultant in Non-Profit Organization Management
2019-05-28
Very helpful in wrestling with PDF… Very helpful in wrestling with PDF documents. The software allows moving around the type and signing, which is nice.
A R
2021-02-27
Appreciate to keep the pricing say… Appreciate to keep the pricing say within $10 and max of say 10 docs instead of $20 per month. No contract please
MAYA SRINIVASAN
2020-12-29
This site was exactly what we needed to edit pdf's and create fillable fields for all of our school enrollment forms. The options for receiving the information when completed, as well as many other perks made this a perfect product for our use. We continue to find more and more uses in our school setting for using pdffiller. I highly recommend this product.
Glen S.
2020-08-05
Excellent product Excellent product. Easy to use and much better than the others that I have used. Has been very helpful especially when needing to copy info over and so on.
Graham
2020-08-04

pdfFiller — a straightforward tool to Unlock and Lock PDF

If you have ever met any issues with trying to Unlock and Lock PDF using online solutions only, you're not alone. Hours were wasted switching back and forth between numerous options. Try using pdfFiller to get things done quicker and automate these processes.

pdfFiller is a professional, online PDF editor that actually works from the cloud. Just open a browser, sign in, pick a form, and Unlock and Lock PDF in no time. The process of editing files in Portable Document Format is simple, seamless actually. An advanced set of features lets you do what you need and even more. Here are the most helpful tools you may use with your documents on pdfFiller:

01
Fillable fields. Embed them to let clients to enter their data
02
Page management. Rotate, add, or delete pages to reach your objectives
03
Electronic signatures. Certify forms straight from your device
04
Watermarks. Protect your content by placing your logo or name on pages
05
Extensive export. Send a form out by fax or email, transfer it to the cloud storage, or simply download in one of the available formats: PDF, DOCX, XLSX, PPTX, and JPG
06
Templates. Create reusable documents and fill them out as many times as you need

pdfFiller is not only convenient but keeps your information secure. pdfFiller maintains the services according to the EU and US data protection standards. Thanks to the two-factor authentication, there's no need to go another day with your information exposed to unauthorized third parties.

Value your time and get started with pdfFiller today for an efficient approach to how to Unlock and Lock PDF.

Unlock and Lock PDF Feature

The Unlock and Lock PDF feature provides you with effortless control over your documents. This tool allows you to secure sensitive information and conveniently access content when needed. You can manage who sees your files, ensuring privacy and security.

Key Features

Easily unlock protected PDFs for editing and sharing
Lock PDFs with passwords to safeguard sensitive data
User-friendly interface for quick actions
No software installation required, accessible online

Use Cases and Benefits

Secure confidential business reports before distribution
Unlock documents for easy collaboration among team members
Enable clients to view project files without unauthorized access
Protect personal information in resumes or portfolios

By using the Unlock and Lock PDF feature, you can resolve common issues related to document security and accessibility. Instead of worrying about unauthorized access or cumbersome editing processes, you can confidently manage your PDFs. This feature empowers you to share essential information while protecting 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!

How to Use the Unlock and Lock PDF Feature in pdfFiller

Unlocking and locking PDF files in pdfFiller is a simple and secure process. Follow these steps to make the most of this feature:

01
Login to your pdfFiller account. If you don't have an account yet, you can easily create one by signing up on the pdfFiller website.
02
Once you're logged in, click on the 'My Forms' tab at the top of the page. This will take you to your personal document storage.
03
Locate the PDF file that you want to unlock or lock. You can either browse through your documents or use the search bar to find it quickly.
04
Once you've found the PDF file, click on it to open it in the pdfFiller editor.
05
In the editor, you'll see a toolbar at the top of the page. Click on the 'Unlock' or 'Lock' button, depending on what you want to do with the PDF file.
06
If you choose to unlock the PDF, pdfFiller will prompt you to enter the password for the file. Enter the password and click 'Unlock'.
07
If you choose to lock the PDF, pdfFiller will ask you to set a password for the file. Enter a strong password and click 'Lock'.
08
Once the unlocking or locking process is complete, pdfFiller will notify you and provide you with the updated version of the PDF file.
09
You can now download the unlocked or locked PDF file to your computer or continue editing it in the pdfFiller editor.

By following these simple steps, you can easily unlock or lock PDF files using the pdfFiller product. Enjoy the convenience and security of this feature!

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
Protecting the information in a document from copyright infringement is one reason why you may choose to lock a PDF file. Locking the file for this reason usually involves adding password protection to prevent unauthorized users from copying or printing the document.
Drag and drop your document in the PDF Password Remover. Confirm that you have the right to the file and click 'Unlock PDF!'. The decryption process should start right away. Modify your PDF further, or click 'Download File' to save the unlocked PDF.
Download and install PDF Utilities from Google Play. Make sure that you've already downloaded the PDF file of which you want to remove the password. Open the PDF Utilities app and tap Select next to Select PDF. Once you've located your file, select it and tap Start.

Unlock and Lock PDF Video Review

#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