Lock PDF and Encrypt PDF for Mobile 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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Fill out, edit, or eSign your PDF hassle-free
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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:
trying to find the right form that was not already filled out. Also you need to add the ability to erase to the lowest membership level. You can do a couple of things such as restrict the number of new forms per month, offer a 1-5 form only fee, or only a 1 month membership fee. In the past 3 years I've used this service only twice now as I am not a business.
Anonymous Customer
2015-01-26
I love the ease and speed I can convert docs to fillable pdf files. I am not so happy with repeatedly being asked to rate the features, take a survey and attend a webinar.
Marsha H
2017-03-03
I like this product and find it easy to use, for the most part, but do not have the time right now to attend a webinar unless its set to use at my convenience, then I'd love too!
Judy L
2018-04-13
Like any software you need to learn the program and the first time I used it I was struggling and reached out to support. I was AMAZED at the quick response I received and the step by step instruction.
Lori S
2019-01-10
What do you like best?
ability to fix screwed up documents without retyping them
What do you dislike?
Hard to click the print button on google chrome
What problems are you solving with the product? What benefits have you realized?
Saved a lot of time by not having to retype documents that aren't saved.
JOHN SMITH
2018-12-31
manage all documents with PDFFiller easy to convert files create file and handle all types of files . few extensions are not available and some files create problems after converting .
pankaj K.
2023-02-27
First time I have had to do the 1023ez on line, so was not confident. I did need help and ya'll certainly gave me the help I needed. I really appreciate your help and the quick responses.
Linda M
2023-02-01
Nice xdxdxdxdxdxdxdxdxdxdxdxdxddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
jason gamer
2022-06-24
Really very convenient, far more handier than the others selectable with a quick google search.....not sure about $20 monthly fee though. An account with a paid service per use would also be handy, but 9/10
Anonymous Customer
2021-06-25

Lock PDF and Encrypt PDF for Mobile

Protect your documents with our Lock PDF and Encrypt PDF feature designed specifically for mobile devices. This tool offers a secure way to safeguard your sensitive information while maintaining accessibility.

Key Features

Securely lock PDF files with passwords
Encrypt PDFs to prevent unauthorized access
User-friendly interface for easy navigation
Compatible with all mobile devices
Quick and efficient encryption process

Use Cases and Benefits

Protect personal documents, such as tax forms or contracts from prying eyes
Secure business files with client information to maintain confidentiality
Safeguard sensitive information when sharing files over email or cloud services
Ensure compliance with data protection regulations
Simplify document sharing without sacrificing security

By using Lock PDF and Encrypt PDF for Mobile, you gain peace of mind knowing your valuable information remains safe. This feature addresses concerns about privacy and security in an increasingly digital world. You can confidently store and share your documents, knowing they are protected from unauthorized access.

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
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.
Choose Tools > Protect > More Options > Encrypt with Password. Choose File > Protect Using Password, and then choose Advanced Password Protection from More Options.
1Choose a PDF for. Password protection. 2 Select a password. Write out or encrypt your PDF file: choose the password you wish to use to protect your file. 3 View and downloads.
File Locker To lock a file, you will have to simply browse it and long tap on it. This will open a popup menu from which you will have to select the option Lock. You can even batch select files and lock them simultaneously. After you select the lock file option the app will ask for a password to encrypt your files.

How to Lock PDF and Encrypt PDF for Mobile - video instructions

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