Unlock PDF and Password Protect PDF 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 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
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:
This product is easy to use, even for beginners, has great explanation and tutorial, and made every file I use on a regular basis easy to convert and edit as needed.
Brittani K
2014-11-25
I love the ease of typing on the PDF, I'm still learning how to send it to others with fill in blanks. But I like it. Pricey for the redaction ability but I suppose better than Adobe
Allison O
2016-08-12
it was easy to type and overwrite, but printing and saving some of the fill blanks were not coming up as what I typed... probably a computer bug issue...
Ian
2017-01-29
What do you like best?
I can edit PDF files that I use often with ease.
What do you dislike?
I still can not figure out how to save as in the pdf filler to go back and edit the same exact file.
What problems are you solving with the product? What benefits have you realized?
I am saving time which is helping me save money.
Darrel Hayes
2019-01-29
My life is so much easier with PDF… My life is so much easier with PDF filler. I can instantly complete any paperwork I have. I was able to figure out how to use it without reading any instructions at all. Even better, I am saving cost and waste of printer and paper.
Kelly D
2020-03-27
PDF helped me achieve what I had to… PDF helped me achieve what I had to when signing documents and when I asked for the subscription to be cancelled they obliged which I was thankful for
David Monteleone
2020-03-19
The PDF writer worked perfect for what I needed Pretty easy to use and worked just as advised. I needed this to fill out PDF documents vs. printing them out and hand writing them. In addition finish product is neat and looks professional. Don't have any negatives other than if it where free it would be even better, but the fee is small in relationship to what you gain.
Dave M.
2017-11-20
pdfFiller for Easy Fillable PDF Files I am a 78-year-old with a partially paralized right hand. I started using this product to make fillable PDF files for English as a Second Language students I volunteer to teach online. With the instructions found on the site I was able to upload a five-page document and then add text boxes to the pages. I opted for the automatic text box creation, an extremely quick process, and only had to do some minor clean-up of extra text boxes. Overall, love the program.
Sandra Wheeler
2023-01-28
Highly recommended We've been using this website for a few years for our business and I couldn't be happier. The Customer Service Team always remedies my concerns or questions and the website works perfectly for our company. I'd highly recommend this website!
Sean McGary
2021-12-30

Unlock PDF and Password Protect PDF for iOS

Discover how our Unlock PDF and Password Protect PDF feature for iOS can simplify your document management. With this tool, you can easily unlock your PDF files and secure them with passwords, ensuring your information remains private and accessible.

Key Features

Unlock password-protected PDF files quickly and effortlessly
Set strong passwords to protect your sensitive documents
User-friendly interface for seamless navigation
Supports multiple PDF formats for versatility
No internet connection required for functionality

Potential Use Cases and Benefits

Retrieve important documents you cannot access due to forgotten passwords
Share sensitive files securely with friends or colleagues
Customize access by setting passwords for different users
Organize and manage confidential information efficiently
Ensure compliance with data protection standards

This feature addresses your challenges with PDF accessibility and security. By allowing you to unlock PDFs easily, you eliminate the frustration of being locked out of important files. Simultaneously, by enabling password protection, you gain confidence in sharing sensitive information. Start streamlining your document handling process today.

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 Password Protect PDFs on iOS

Unlocking and password protecting PDFs on your iOS device is a simple and secure way to keep your documents safe. Follow these steps to use the Unlock PDF and Password Protect PDF feature in pdfFiller:

01
Open the pdfFiller app on your iOS device.
02
Tap on the 'Unlock PDF' or 'Password Protect PDF' option from the main menu.
03
If you want to unlock a PDF, select the 'Unlock PDF' option. If you want to password protect a PDF, select the 'Password Protect PDF' option.
04
If you chose to unlock a PDF, tap on the 'Choose File' button to select the PDF file you want to unlock. If you chose to password protect a PDF, tap on the 'Choose File' button to select the PDF file you want to protect.
05
Once you have selected the PDF file, tap on the 'Unlock' or 'Protect' button to start the process.
06
If you chose to unlock a PDF, the app will remove the password from the PDF file and make it accessible. If you chose to password protect a PDF, you will be prompted to enter a password for the PDF file.
07
After the process is complete, you can access the unlocked PDF or the password protected PDF from the app's main menu.
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To view the unlocked PDF, simply tap on it from the main menu. To view the password protected PDF, tap on it and enter the password you set.
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You can also share the unlocked or password protected PDF via email, messaging apps, or cloud storage services directly from the app.

By following these steps, you can easily unlock and password protect PDFs on your iOS device using the pdfFiller app. Keep your documents secure and accessible wherever you go!

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
Click on File Tab and Open Properties. Now Click on Permission Details and open Security Tab. Check the No Security option. Click on Remove Password in Security Method menu.
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.
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.
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.
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.

How to Unlock PDF and Password Protect PDF 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