Secure PDF File and Password Protect PDF for iPhone Gratis

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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
Note: Integration described on this webpage may temporarily not be available.
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Laatst bijgewerkt op Dec 12, 2023

Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - 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:
Ibelieve inhaling good faith and today I got it back,at this time I believe I will like your service and am looking forward to a long relationship.Thank You
Jesse B
2014-11-22
I completed a passport application. The document was easy to fill & very professional in quality which made it very easy to be understood during processing.
Michael R
2015-11-25
i am very surprised at how easy it is to retrieve and add new pdf's to my account. I originally paid for pdfiller because i wanted to send in a release of liability to the dmv. 1 year later and I am now using it for court paper work and have downloaded many forms i can fill out any time I want. Thanks. I am very happy and surprised at this application. I am glad i didn't cancel my monthly payments to pdfiller.
Lisa
2017-02-09
PDF filler seems to be very useful. Is/was slightly difficult to figure out but once understood is fairly easy to use. Unfortunately the price is too high for those of us on fixed income. Is there anything lower cost for disabled seniors? Please?
Donald S
2017-08-24
Great tool for modifying a PDF and… Great tool for modifying a PDF and easily setting up an electronic signature. I used this to make an offer on a house and it was perfect!
Ben Rounds
2024-05-11
Excerpts of my letter in TIME Magazine… Excerpts of my letter in TIME Magazine published November 29TH, 2004 which are available on Newsstands Monday, November 22ND, 2004
JORDAN NYEMBE
2024-02-05
Fair and excellent experience I did not manage to effectively cancel my subscription during the trial period but pdfFiller did refund me the license fee with no problem at all
Jordi Calbet
2023-02-28
This is one handy app This is one handy app! I'm constantly having to sign this or sign that but pdfFiller makes the process so simple and seamless. Gone are the days of printing my doc, signing it, and then scanning it back to HR at our corporate offices. pdfFiller has saved me a ton of time! I love it1
Dave Tuggle
2021-05-25
What do you like best? I often need to fill out forms for work. With Pdffiller it is simple to upload forms, fill out, save and download to email. I also use it to merge PDFs as well. It saves all of your work and keeps the documents in my account for future reference or an easy change/update. What do you dislike? There are a lot of features and sometimes it is hard to find exactly what I need. A simple "How do I .... in pdffiller on google usually takes care of it quickly. What problems are you solving with the product? What benefits have you realized? Before Pdffiller I would print the document, fill out by hand, scan, then email. Now my documents look more professional without and are less of a hassle.
User in Construction
2020-08-28

Secure PDF File and Password Protect PDF for iPhone

Ensure your sensitive documents remain private with Secure PDF File and Password Protect PDF for iPhone. This feature allows you to safeguard your important files with encryption and a password, providing peace of mind as you manage your data.

Key Features

Encrypt PDFs to keep the content safe from unauthorized access
Set secure passwords for easy yet protected file access
User-friendly interface for quick and hassle-free protection
Compatible with your favorite PDF readers on iPhone
Share protected PDFs without compromising security

Potential Use Cases and Benefits

Protect financial statements, medical records, and personal information
Safeguard business proposals and sensitive company documents
Ensure safe sharing of confidential legal documents with clients
Maintain privacy when sharing files in public or professional settings
Easily manage and organize your secure files on your iPhone

By using Secure PDF File and Password Protect PDF for iPhone, you can easily solve the problem of data security. This feature empowers you to control who can view your documents, giving you the freedom to share your files without fear of breaches. Stay in charge of your sensitive information and enjoy peace of mind every time you access or share your PDFs.

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.
In the Preview app on your Mac, open the PDF that you want to password-protect. Choose File > Export, then select Encrypt. You can also enter a new name for the PDF if you want to create a pass worded copy and keep the original PDF unencrypted. Type a password, then retype it to verify the password.
Once the PDF file opens in Documents app, tap on the Menu button (three dots) in the top right corner to bring up menu at the lower section of your iPhone screen. Choose Set Password. Then type in the same password twice. Finally, hit the Set button to confirm and encrypt your PDF file on iPhone or iPad.
Run the file manager app on your iPhone or iPad. Tap Settings at the bottom, select Enable Password, you will then be able to set a password to protect any sensitive data on the phone.
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.
Open the PDF and choose Tools > Protection > Encrypt > Encrypt with Password 6. 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 to Secure PDF File and Password Protect PDF for iPhone - video instructions

#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