Last updated on
Dec 12, 2023
Lock PDF and Password Protect PDF for Mobile For Free
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
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.
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.
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.
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.
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.
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
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average user rating
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PDFs edited per month
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average to create and edit a PDF
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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:
All of my forms have looked super professional, and when I applied for my new job, the HR department thought it was going the extra mile to type out my application instead of handwriting it.
2015-05-18
The initial document that I needed was insufficient on the site (the word SAMPLE was written across the document multiple times per page). And, although it took several hours, PDFfiller was able to upload the necessary document. Problem solved.
2015-09-04
Very easy to use. Great for completing Government forms. Minor mistakes easily corrected and the end result is much neater and legible. Saves time and paper by not having to print forms, complete them manually then scan the completed form.
2016-08-02
This is my first time using PDF filler, but I like the ability to work with PDF documents this program has given me so far. I would really like the ability to highlight and possibly copy the PDF over to a word or excel document. But being able to highlight and put a sticky is excellent!!!
2016-08-22
I had been looking for something which works on phones & chromebooks as well as computers. It's great this operates 100% in a browser and works REALLY well. Has some limited zapier support and has decent integration with g-suite. The support, including one emergency thing, has been much better than average. There are some additions which I feel could make pdffiller absolutely a star, but it's more than functional and easy to use today.
2018-08-01
investment app
this is a wonderful app as well for me when away from home i can still too work on documents that need to be submitted in record timing..... as well as faxing now being disabled i can fax things which saves so much time
2022-05-05
Good Experience
I had a free trial with pdfFiller and while the product didn't fit all of my needs the support was very responsive and helpful. It was a good experience all around.
2021-07-22
****** works great, maybe a little inconvenient compared to *****, but that's why they are so much cheaper. For as little as we need a *** editor I could not justify the cost of *****, so this was a good alternative. *** some issues with my pay method after having them for 3 years. Wish I could have just updated my Pay info instead of having to cancel my plan and sign up again. That messed up a discount I had, but kudos to the customer service for being able to straighten it out. *** to do everything through chat because no phone number. Overall decent **************."
2021-01-13
I need to learn more about the…
I need to learn more about the pdffiller. I am interested to know other features to assist in my tax practice.
2020-12-21
Lock PDF and Password Protect PDF for Mobile
Secure your documents with our Lock PDF and Password Protect PDF feature, designed for mobile users. This tool empowers you to manage your sensitive files easily. Now, you can share important documents with confidence, knowing that only authorized users can access them.
Key Features
Lock PDF files with a secure password
User-friendly interface for easy navigation
Compatible with various mobile devices
Fast encryption process for quick locking
Option to remove passwords when needed
Potential Use Cases and Benefits
Protect personal documents like tax files and legal contracts
Safeguard business proposals and presentations
Ensure privacy for sensitive information shared via email
Control access to creative works before publication
Enhance data security when sharing files online
With this feature, you can resolve the anxiety of unauthorized access to your files. By locking your PDFs with a strong password, you take control of your information. This solution not only protects your sensitive data but also helps you maintain your privacy. Say goodbye to worries and enjoy peace of mind as you handle important documents.
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
How do I password protect a PDF on my phone?
Start by downloading the app from Google Play. Next, open it > password protection > import the PDF from your device memory. If you don't see any directory, clear the app data and try again. Now, you'll see two password option owner password and user passwords.
Can I lock a PDF with a password?
One-click option to protect a PDF with a password Choose File > Protect Using Password. Alternatively, you can choose Tools > Protect > Protect Using Password. Select if you want to set the password for Viewing or Editing the PDF. Type and retype your password.
How do I password protect a PDF file on my phone?
Start by downloading the app from Google Play. Next, open it > password protection > import the PDF from your device memory. If you don't see any directory, clear the app data and try again. Now, you'll see two password option owner password and user passwords.
How do I password protect a PDF for free?
Choose Tools > Protect > Encrypt > Remove Security. Remove Security: The options vary depending on the type of password security attached to the document. If the document has a Document Open password, click OK to remove it from the document.
How to Lock PDF and Password Protect PDF for Mobile - video instructions
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