Lock PDF and Compress PDF for Tablet For Free

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Last updated on Sep 21, 2025

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Rearrange pages in a PDF document.
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Compress PDFs to reduce their size.
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Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
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Users Most Likely To Recommend - Summer 2025
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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+
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:
So far so good!My first transaction on PDF filler. I would say that the passwords and pins are a little confusing for people. Also, brokers don't recognize PDF filler for authenticated signatures. They accept Docusign. I use PDF filler mostly for the ability to make my PDF files fillable and then I transfer them to Docusign. So I do find PDF filler VERY useful.
K. Keys
2014-11-14
I think the learning curve is a little steep. Also, at times the app seems a little counter-intuitive. It's not always easy to find forms you have worked on previously.
Tighe
2019-10-27
What do you like best?
PDFfiller makes my work life so much easier. I use it for all forms needed for credentialing or for our insurance plans. I use it daily.
What do you dislike?
I do not at this time have any dislikes. It has made things so much easier for me I do not see a downside yet.
Recommendations to others considering the product:
I highly recommend this product to anyone looking to save time and make your work life easier.
What problems are you solving with the product? What benefits have you realized?
I am able to fill out forms online that I have had to do by hand in the past. This is a time saver.
User in Medical Practice
2018-12-31
Online help got me going in the right… Online help got me going in the right direction finally. I found navigating this program a little difficult but ask for help and voila.
john Carrigg
2020-04-09
PDF Filler PDF Filler made my job easier, I can now get out, receive and process documents in a more timely manner. I love PDF Filler! What great software. It is so professional to have my documents be PDF fillable and helps my Members who do not have easy access to a computer. Hmm... There is really nothing that I dislike about PDF Filler. I just wish I had it on every computer.
Joanna M.
2020-02-12
Very easy to use I am excited to learn all the features the software has to offer. I am so happy i can take current PDF files and turn them into filliable files. This has been very helpful as i started this position and can't always find fillable files.
Jennifer F.
2017-11-14
What do you like best? Navigation is simple, editing works well and have never had any issues. What do you dislike? I really have not found anything that does not suit my needs. What problems is the product solving and how is that benefiting you? To edit design documents quickly by making quick changes. It also helps in editing quotes to clients.
Rene Trevino
2022-11-01
This site is invaluable The site is invaluable. While it will take few minutes to understand the steps necessary to fulfill your objective, especially for the novice. Once you recognize the protocol the site comes to be MOSTUseful!
thatgirldeb
2021-08-03
I was happy that I found my forms, but you should have... I was happy that I found my forms, but you should have said from the first that it was a trial, I do not remember being told that It would cost me, but that's ok, I filled out and printed 3 N-311 Hawaii forms, which printed 5 sheets, I will gladly pay for them, but I do not want to continue my subscription to pdfFiller. I don't think I will ever need it again, but I do thank you for being there when I needed you.
Ruth H.
2020-06-02

Lock PDF and Compress PDF for Tablet

Managing your PDFs on a tablet has never been easier. Our Lock PDF and Compress PDF features provide convenience and security for your essential documents. You can easily protect sensitive information while saving space on your device.

Key Features

Password protection for PDF files
Shrink file size without losing quality
User-friendly interface for tablets
Efficient batch processing for multiple files
Support for various PDF formats

Use Cases and Benefits

Secure personal documents such as contracts or tax files
Save storage on your tablet by compressing large files
Easily share protected PDFs via email or cloud services
Enhance workflow by processing multiple documents at once
Maintain document quality while reducing file size

Are you concerned about the security of your PDFs? Our Lock PDF feature allows you to set a password for your sensitive documents, giving you peace of mind. Additionally, our Compress PDF function helps you manage storage efficiently. By combining these features, you can work smarter, keeping your important files secure and accessible.

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!

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
Step 1: Download the app from Google Play Store and launch it. Step 2: Choose COMPRESS, tap + button at the bottom right. Step 3: Select a PDF file and wait for it to load. Once completed, it will be automatically saved to your Android phone.

#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