Unlock PDF and Password Protect PDF for iOS For 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.

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Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

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What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
experience good so far. just subscribed and I'm still learning my way around,but I alredy like it. Ist meeting my purpose . But I wish they had a PDF to word converter included. My only problem is that when I save it in my computer even in word I'm not able to edit it.I can only edit on PDFiller.
Gloria
2015-11-04
I'd rather pay per document. I don't need the subscription and will likely cancel after this transaction. Consider offering a cheap per-page service in the future.
Anonymous Customer
2016-01-05
I'm learning how to use the program. We need it for online school for our granddaughter It is a bit complicated. As we learn to print and save and figure out which document it which, it will be easier to use
Loretta
2019-11-13
What do you like best?
Frantically searching for a way to fill out a PDF form without losing all of your work? PDFfiller works great, does just what it says on the tin, and has the best customer service I've experienced with a website.
What do you dislike?
Though I was wary of a paid service at first, their customer service was as helpful as any I've ever experienced and the product works as promised.
What problems are you solving with the product? What benefits have you realized?
Filling out forms as a graduate student working far far away from campus, PDFfiller helps me get it all in order without a struggle. It simply makes life easier.
Adriana Medina
2019-08-30
PDF Filler PDF Filler made my job easier, I can now get out, receive and process documents in a more timely manner. I love PDF Filler! What great software. It is so professional to have my documents be PDF fillable and helps my Members who do not have easy access to a computer. Hmm... There is really nothing that I dislike about PDF Filler. I just wish I had it on every computer.
Joanna M.
2020-02-12
Me gustó mucho, lo utilice para editar un pdf y funciona muy bien, muy rápido lo pude hacer. En celular se me dificulta un poco pero es solo de acostumbrarme
Carlos N
2024-10-18
Fast and great service Fast and great service. Program was great but we didn't really have use for it. We forgot to cancel after our trial and was charged. Totally our fault. I contacted them and they handled this immediately. Talk about fast service. 😊 Thanks again.
Lydia Velez
2020-09-23
listen I appreciate your services and recommend it to anyone based on their ability to process a financial authorization and so I didn't want PDF-filler to be discouraged but I'm sensitive to express I have to revisit your advisory environment some time after the year is up!
Michael R
2020-05-01
Twice a year I need to turn a pdf form into a fillable form. I don't need a subscription for such a minimal need. I wish there was truly a free way to do this without creating a trial subscription.
Duane S
2025-04-29

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.
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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

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