Last updated on
Sep 21, 2025
Lock PDF and Encrypt PDF for Tablet For Free
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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
64M+
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average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
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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:
First time user who is definitely enjoying the ease of completing PDF documents without the troublesome steps to convert to a word or similar document for editing.
2016-09-06
The program is very user friendly. Would like the opportunity to test more documents before sending to clients, so I can see what they are seeing when they receive notification to sign.
2017-06-20
I am finding it helpful indeed. I haven't utilized all of the options yet. So far I like it. The mobile app is far more difficult to use than the website. Doesn't quite sync with the different cloud websites for transfers into the app.
2019-07-24
What do you like best?
I have tried many signing apps and software and this one is by far the best in terms of ease, flexibility and speedy workflow.
What do you dislike?
Maybe it is just something I am not figuring out...but the orange box prompts on some documents get more in the way sometimes than help.
Recommendations to others considering the product:
Keep up the good work!
What problems are you solving with the product? What benefits have you realized?
Signing of all contracts, invoices, and P&Ls. I love the ease of storing documents I most commonly use to transmit has and easy to clients with a simply date update.
I have tried many signing apps and software and this one is by far the best in terms of ease, flexibility and speedy workflow.
What do you dislike?
Maybe it is just something I am not figuring out...but the orange box prompts on some documents get more in the way sometimes than help.
Recommendations to others considering the product:
Keep up the good work!
What problems are you solving with the product? What benefits have you realized?
Signing of all contracts, invoices, and P&Ls. I love the ease of storing documents I most commonly use to transmit has and easy to clients with a simply date update.
2019-08-15
Super easy to use
Super easy to use! I had to edit some invoices in a short amount of time and got it done quickly Thanks to PDF filler. Life Saver! :)
2019-11-14
PDF filer
Completing forms and getting them to whomever I choose.
Ease of use. I love this software. I have a health issue that makes filling out forms quite difficult. With this software, I am able to complete any document.
There is not much to dislike. So no comments on that.
2019-05-17
A Great Source for Reference
As soon as I came across PDFFiller I immediately subscribed. Any time I need to make a fake document for a Movie or TV show I go right to the site and look up what I'm trying to mimic. 9 times out of 10 I find what I need.
I love PDFfiller because it provides me with a wealth of real life uploaded document references for any design I may be trying to mimic.
The search feature could be a little better.
2019-05-16
I thought I only needed this temporarily
I thought I only needed this for an isolated use, but found it was much more useful in future applications. I appreciated it in a pinch.
2021-10-20
I had an issue and emailed the company and not only did 2 different people respond immediately they resolved my issue within a few hours of me sending the email. I’ve never seen that quick of a response before. Very impressive.
2020-10-26
Lock PDF and Encrypt PDF for Tablet
Securing your sensitive documents has never been easier. With our Lock PDF and Encrypt PDF feature for tablets, you gain peace of mind knowing your information is safe and accessible only to you.
Key Features
Password protection for your PDF files
Easy-to-use interface for encryption
Compatibility with various tablet models
Quick locking and unlocking of documents
Customizable encryption levels
Potential Use Cases and Benefits
Protect personal documents like tax forms and travel itineraries
Secure business reports and client information
Share sensitive PDFs without worrying about unauthorized access
Keep your academic work safe from plagiarism
Ensure that confidential agreements remain private
By using this feature, you solve the problem of document security. Protecting your files prevents data breaches and unauthorized viewing, giving you control over who sees your information. With our feature, you can confidently share your PDFs, knowing they are locked away securely.
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 encrypt a PDF with a password?
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.
How do I encrypt a PDF on Android?
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 to Lock PDF and Encrypt PDF for Tablet - video instructions
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