Lock PDF and Password Protect PDF for Tablet For Free

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Last updated on Sep 21, 2025

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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

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Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

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Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

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What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
PDFfiller.com has been the most reliable and simple piece of software I have used for this type of work in a long time. Adobe has made things quite expensive and your product has been the lifesaver many times. Simple to use, end product is of high quality. That is what I was looking for and found it on PDFfiller.
Michael H
2015-12-09
I was a little disappointed when i realized it was $20.00 a month on month to month plan. i intend to cancel after the cycle has ended. Other then that i have been very satisfied.
bryan
2018-04-12
The product is excellent, but very expensive for an occasional user. I paid a lot of money just to download two documents. Surely it would not be difficult to categorise number of forms required, and a calculated price accordingly? I will probably not require another form for 12 months or more. Unfortunately, it leaves a bad taste in the mouth.
ALAN B
2018-07-25
Had an issue at first and contacted management. The problem was corrected right away and I could not be happier with the outcome. There are a lot of features included with this site, so it is a must have for a business of any size. Thank you very much.
Gregory S
2018-11-07
Overall very handy. I did have a glitch in printing. When I hit Print Again, it made the page smaller and off center. This happened each time I hit Print Again on the CMS 1500 form, requiring me to go back and start from Print after each edit.
Melissa N
2024-07-23
Very satisfied so far. Have not yet utilized the notary service but plan to do so. Very happy editing PDFs. My only complaint is that it's far too expensive for my needs as an individual. I can see how it would be well worth it for a business, but in my case, I will likely cancel after a month because I just can't afford it. Please consider a cheaper option for individuals &/or sole proprietors. That said, it's a great service -- far better than others I've used. Great job.
Martha M
2023-02-14
I used this for a work purpose I used this for a work purpose. It made my task a lot easier. Only needed it as a one off, so cancelled my subscription by contacting them. Fast, efficient customer support.
Lee Rowe
2022-01-07
Excellent Customer Service Asked for a refund and got an immediate response and an immediate credit - no questions, no bull. If I needed this service - I'd buy it here!
Marta Weinstein
2021-12-16
Creating forms has never been easy Extremely handy tool to create forms and collect data from clients Very important tool for creating fillable PDF forms. Includes features like highlighting, drawing and also option to place images and logos. Advanced features need more effort from user to understand. Ability to download form on local drive and re-upload for convenience.
Vinayak S.
2020-05-23

Lock PDF and Password Protect PDF for Tablet

Protecting your sensitive documents is crucial in today’s digital age. With the Lock PDF and Password Protect PDF feature for tablets, you can secure your files with ease. This feature ensures that only you and authorized users can access your important information.

Key Features

Easily lock and unlock PDF documents
Set strong, customizable passwords
User-friendly interface for quick access
Compatible with various PDF readers and devices
Quickly share locked files while maintaining security

Potential Use Cases and Benefits

Securely store personal files like tax documents and private photos
Share confidential work documents with colleagues without worry
Protect sensitive business information from unauthorized access
Ensure student projects and assignments remain private

This feature directly addresses your need for privacy and security. With just a few taps, you can safeguard your documents. You no longer have to worry about others accessing your files without permission. By utilizing this tool, you can maintain control over your information, ensuring peace of mind.

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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 Utilities app and tap Select next to Select PDF. Once you've located your file, select it and tap Start. You'll get a pop-up asking you enter the PDF password.
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.
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.
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 to Lock PDF and Password Protect PDF for Tablet - video instructions

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Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025