Lock PDF and Secure PDF File for Android Gratuit

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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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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
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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:
I am not a great computer application user but I found PDFfiller easy to use and figure out. I even was able to place an electronic signature on a document with a little trial and error. Very nice application that I will use more and more.
Bill F
2015-07-09
I originally downloaded Adobe Flash Player thinking I could make my own PDS I was wrong it was I'm no help. Just by doing a simple internet search. I came across your website it's amazing. It does everything I needed to do and more so happy I found it! I'm a landlord and now I can send applications online and fill out leases online so convenient.
Nowland Kenyon Properties
2018-02-12
PDFfiller This is a great app, I just can't afford it right now, that's all. It's well worth the investment if you can afford it though! Trust and believe that! They will give you a free trial period. So, try it and you will see! It really is a great PDF app!
JOHN E PIZZINI
2019-11-20
PDF Filler Support Used this company (PDFFiller) today and needed support assistance to clear up a situation on my account. The CUSTOMER SUPPORT TEAM were VERY helpful and corrected the issue immediately. Thank you for yourprofessionalism!!
Gail Davis
2019-03-23
Easy to use I couldn't do my job without this tool. I utilized this everyday as I create and fill out forms quite often. Its very simple and does not take any time to understand how to utilize the software. At times it can give you problems when you try and save and add certain things. I've also had problems copy certain areas.
Mike F.
2018-03-26
love it! im in a rush for a deadline but im feeling my way around the app and love it so far. Im sure im missing some stuff and would love to learn more about it and how to use it!
Daniel T
2024-11-02
I am very satisfied with the pdfFiller. It makes life easier to complete; as well as you can see with different version. This App was made for anyone, simplifies our lives. Thank you
REGINA ELIZABETH S
2024-08-28
What do you like best? PdfFiller is a user-friendly application that I often use in the classroom. It has worked well for parent forms and even creating worksheets. Documents are easy to upload and edit with no data or formatting loss. What do you dislike? I haven't yet found any CONs for this product and will continue to use and recommend it to others. Recommendations to others considering the product: I would definitely recommend giving pdfFiller a try. It doesn't have a steep learning curve, so is useable right away. What problems are you solving with the product? What benefits have you realized? Sending out paper forms wasn't an option this year, so it is easy to create forms that can be sent out and returned electronically. A huge plus is being able to get electronic signatures.
Jennifer Jones-Cooper
2021-12-19
Took some time to get used to it's… Took some time to get used to it's quirks after years of using Adobe Acrobat. But, I have actually found it easier to use and can do more .
K. McCarthy
2021-01-19

Lock PDF and Secure PDF File for Android

Protect your important documents with the Lock PDF and Secure PDF File feature for Android. This tool allows you to secure your PDF files easily, ensuring that only authorized users can access them. Gain peace of mind knowing your data is safe.

Key Features

Password protection to keep your documents safe
User-friendly interface for easy navigation
Encryption options for added security
Ability to lock or unlock PDF files in seconds
Compatibility with various Android devices

Use Cases and Benefits

Store sensitive business information securely
Protect personal files such as legal documents or medical records
Share documents with colleagues while maintaining security
Ensure compliance with data protection regulations
Safeguard information against unauthorized access

This feature addresses your need for security by preventing unauthorized access to your PDF files. You can easily lock your documents, making them accessible only to you or those you choose. Whether you work in an office or manage personal files, keeping your information secure is crucial. Trust the Lock PDF and Secure PDF File feature to help you manage your documents confidently.

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
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.
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.
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.

How to Lock PDF and Secure PDF File for Android - video instructions

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