Protect PDF from Copying and Secure PDF File for iOS For Free

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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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Last updated on Sep 22, 2025

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
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

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:
I need someone to show me how to use it.. the three times I have used it, I felt like i was fumbling around in the dark trying to figure out how to do what I wanted to do
Gail D
2017-04-02
Quite simple and handy to fill. I would have preferred using my own signature on the completed form but I had difficulty loading an image of my signature.
Margaret A
2018-07-24
Great customer service! The site works very well and is easy to navigate, and when a miscommunication happened on my end the company was extremely polite, helpful, and quick in their response. Great customer service!
Shylee R Turner
2019-04-17
I tried adobe and a couple of other PDF… I tried adobe and a couple of other PDF editors and they all had problems with tax forms. pdfFiller was flawless.
Valerie Duvall
2024-11-05
Very Good Customer Support Their Customer Support is very helpful and they get back to very quick. After having issues with my account, they were very quick to sort out my issue and get me a refund. would recommend this service.
Will Gottelier
2022-12-01
I had difficult printing what i had written on a PDF. Although customer service was EXELLENT I still could not fully implement their detailed instructions.
Maurice B
2022-06-02
What do you like best? Love all the forms and how it is so easy to edit forms What do you dislike? Love everything about the program! Highly recommended What problems are you solving with the product? What benefits have you realized? Using it for my real estate and property management business
User in Real Estate
2021-10-26
Pdfiller is the best I have ever used Pdfiller is the best I have ever used. They provide all the tools you need to do whatever you need with your documents. Customer support is also the best. They solve your issues right away. I highly recommend PDFfiller.
Norma Rathgaber
2020-10-09
It's great It's great. Not as good as adobe in the areas of text replacement or image addition. It is also not as sophisticated for selection mechanisms. If you need to fill in documents or create PDFs this is a solid application that can do the stuff that you will need quickly and cheaply.
Joseph Z.
2020-05-13

Protect PDF from Copying and Secure PDF File for iOS

You may have documents that hold sensitive information or intellectual property. You want to ensure that these files remain secure and cannot be misused. Our Protect PDF from Copying and Secure PDF File for iOS feature gives you the tools to safeguard your documents effectively.

Key Features

Prevent unauthorized copying and printing of your PDF files
Set passwords for document access, restricting entry to authorized users only
Adjust permission settings to allow or disallow editing, printing, and copying
Compatible with various iOS devices for seamless use on the go
User-friendly interface, making it easy to secure your documents swiftly

Potential Use Cases and Benefits

Protect confidential business reports from being copied or altered
Share sensitive legal documents securely with clients and colleagues
Safeguard creative work, ensuring that your designs and writings are not misused
Maintain academic integrity by protecting research papers and thesis documents
Provide clients with secure contracts that they cannot modify or duplicate

By using our feature, you solve the problem of document vulnerability. You do not have to worry about unauthorized access to your PDFs anymore. This tool helps you keep your work secure while providing peace of mind, allowing you to focus on what truly matters.

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
Protect PDF from Copying and Editing Go to the “Protect” tab, then click the “Set Password” button. Then select the option of “Permission Password”. Enter your desired password and permissions. Once confirmed, click on “Save” button to apply, and save your PDF file.
To password protect PDF, open the right document and click File menu. Then choose Set Password in the dropdown.
It's important to ensure other people can't easily unlock your phone especially if you store private photos in the standard Hidden folder in the Photos app. You can add a passcode to protect it just go to Settings > Face ID and Passcode (or Settings > Touch ID and Passcode, on older devices and iPad).
Click File > Info > Protect Document and select Restrict Editing. Your document then displays a Restrict Editing pane on the right-hand side of the document for formatting and editing restrictions.

How to Protect PDF from Copying and Secure PDF File for iOS - 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