Unlock PDF and Protect PDF from Copying 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 20, 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:
2 things I would like to see changed. The original custom color selector was better than the these presets that are available now. The other is the sizes of the font jump by twos, an input to put in a custom font size would be great
Juan
2017-08-01
What do you like best?
We use it to generate fillable forms for customers - it works very well whether inserting date or image.
What do you dislike?
The document management part is a bit confusing. It can be difficult to work with templates vs documents, and with shared templates or documents.
What problems are you solving with the product? What benefits have you realized?
PDFFiller has made generation of forms - both using their web app and API, extremely productive for our operations team.
Administrator in Financial Services
2019-05-22
Extremely efficient!!! This application is so easy to use and I love that it integrates with gmail. It's extremely efficient and save a lot of time.
satisfied customer
2020-04-07
Very Fast and Efficient! I'm very pleased with pdffiller. Uploads and conversions are easy, fast and efficient, as well user-friendly when saving files where I want them.
Marvin D Wilson
2020-04-01
This little program is life-changing. This little program is life-changing. Needing to continuously reproduce docs from old paperwork and (business) historical documents is insanely time consuming. Retyping, reformatting you name it. Sometimes OCR software doesn't cut it. With this program, I've cut my frustration time by 90%. My production time is a breeze. The remaining 10% is my learning curve, but I"m figuring out more as I go, and when stuck? Kara is in chat to figure it and me out. Done. Well worth the subscription. Thank you!
Christine Freeman
2024-04-22
I am really thank full for the service… I am really thank full for the service from a rep name Dee if every person would to be a bit like her all business where to be different she went way an beyond to help me.Thank you
Blanca Yepez
2020-11-24
Excellent customer service -- quick response time and great problem-solving ability. I found the PDFFiller app itself to be a little cumbersome to use. I'd hoped it would allow me to do what ***** does but for less money, but it was more like *********
Kate B
2020-08-25
amazing! amazing tool! looked everywhere to find a way to fill out DS 11 forms and I wanted to pull my hair outing the process. found this nifty little site and I was complete in minutes!
PAUL ROZSA
2020-05-22
Easy process and good program with a nice free trial, just not able to fit in my budget. Easy process, user-friendly, quick and efficient. I like that it let me trial it for a few days. I just don't have the money for a subscription right now and only needed to use it this one time.
Lindsay Waldbaum
2025-02-15

Unlock PDF and Protect PDF from Copying for iOS

Easily manage your PDF documents with our Unlock PDF and Protect PDF from Copying feature designed for iOS devices. You can gain access to your locked files and prevent unauthorized copying with just a few taps.

Key Features

Unlock password-protected PDFs effortlessly
Restrict access to your PDF files with encryption
Prevent copying and printing of your sensitive content
User-friendly interface for quick operation
Support for various PDF formats

Potential Use Cases and Benefits

Access your important documents without delays during meetings
Share sensitive information without risk of unauthorized copying
Organize personal files while keeping them secure from prying eyes
Ensure compliance with industry regulations regarding document security
Facilitate smooth business operations by managing access levels

This feature solves your problems by providing a reliable way to handle locked PDFs while securing your data from unauthorized use. You can trust our application to keep your confidential information safe, 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!

How to Unlock and Protect PDF from Copying on iOS

Unlocking and protecting PDF files from copying on iOS is a simple and secure process with pdfFiller. Follow these step-by-step instructions to make the most of this feature:

01
Launch the pdfFiller app on your iOS device.
02
Sign in to your pdfFiller account. If you don't have an account, you can create one for free.
03
Once you're signed in, tap on the 'Unlock PDF' option from the main menu.
04
Select the PDF file you want to unlock from your device's storage or cloud storage services like Dropbox or Google Drive.
05
After selecting the file, pdfFiller will start processing it. This may take a few moments depending on the file size.
06
Once the file is processed, you will be prompted to set a password to protect the PDF from copying. Choose a strong and unique password that you can remember.
07
Confirm the password by entering it again.
08
Optionally, you can add an additional layer of security by enabling the 'Disallow Copying' option. This will prevent users from copying any content from the unlocked PDF.
09
Tap on the 'Unlock PDF' button to start the unlocking and protection process.
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After the process is complete, you will see a success message. You can now access the unlocked and protected PDF file from the 'My Documents' section of the app.
11
To share the unlocked PDF, tap on the 'Share' button and choose the desired sharing method, such as email or cloud storage.
12
If you want to make any changes to the unlocked PDF, you can use the various editing tools available in the pdfFiller app.
13
Remember to securely store your password and avoid sharing it with unauthorized individuals to maintain the security of your protected PDF files.

By following these steps, you can easily unlock and protect PDF files from copying on your iOS device using pdfFiller. Enjoy the convenience and security of this feature!

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
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.
Your iPhone or iPad is designed to open PDF files automatically. If you are having this problem with some PDF documents, it is possible that those PDF documents may be corrupted. These files cannot be opened if they are corrupted. Perhaps the PDF file you could not open was not downloaded properly.
Protecting PDF files with Safeguard is very simple. Right-click on your PDF files, then in Safeguard Secure PDF Writer, choose the PDF protection options: Stop printing, allow printing or limit the number of prints. Add dynamic watermarks to viewed and or printed pages.
Drag and drop your document in the PDF Password Remover. Confirm that you have the right to the file and click 'Unlock PDF!'. The decryption process should start right away. Modify your PDF further, or click 'Download File' to save the unlocked PDF.

How to Unlock PDF and Protect PDF from Copying 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