Unlock PDF and Lock PDF for iOS For Free

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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
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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

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:
In my line of work (payroll) it's a lot easier to be able to fill out some of the paperwork that I need to send to employees/managers and attach it via email instead of handwriting it and scan it to them.
Tabatha F
2017-06-13
As a Realtor I am constantly having to merge PDF files, or fill in forms, or add notes to contracts, or rotate pages from horizontal to vertical. My hand writing is not very legible, but PDFfiller makes all of my docs look professional.
Mark F
2018-06-06
Great product...relatively easy to use Great product...relatively easy to use, especially if one is familiar with this type of document editing app. I am please with how much of a time-saver it is. I couldn't give 5-stars because the cost of the "Full Version" is really too expensive for me, but other than that, it's a very handy tool.
Heather P.
2020-03-03
PDF Filler is the Best I really love using PDFiller it's a great tool for a new small business owner also with taking care of personal business as well. I love that you have so many tools, resources, and options.
TSH Consulting LLC
2019-06-22
Amazing customer experience Amazing customer experience! Their services are quick and efficient. I started with their Live Support Chat but was quickly connected to staff members who responded to me by emails. I had Marie and Anna to help me. They are all friendly and extremely helpful. They responded to my question quickly, and after I explained to them briefly what my issue was, they took care of the issue swiftly. Their software is easy to use. Thank you all so much again for your help! Keep up the excellent work you do!
John H.
2019-03-12
I AM JUST STARTING USING PDFFILLER. I THANKS THAT IS A WONDERFUL EXPERIENCE. PDFFILLER ALLOWED ME TO PERFORM TO EDIT PROPERLY A BPO (Broker Price Opinion). I am very satisfied.
FREDO B
2021-07-01
Everything went smoothly, but if I was in a position to give some unsolicited advice, it would be to broaden your inventory of documents to choose from, preferably TCF Bank Documents.
Ronald Evans J
2021-03-30
Highly recommend Highly recommend! This is an awesome site/resource for pros and newbies alike! Being new to all things graphic design related, I have utilized PDF filler several times to help with my projects *at no charge! Unfortunately, I lost my “real job” due to CoVid, so, at this time, I’m not in a position to pay the (very reasonable) annual fee to utilize all of the amazing benefits/features. BUT - as soon as I am able, I will happily do so. I was also really impressed with the Customer Service team. They are extremely professional, helpful and respond quickly. *side note: I almost never post recommendations (good or bad) but in this case, I felt the exception was well deserved.
Jodi Vince
2020-09-13
This has been a great for filling my forms This has been a great help with the forms I am currently working with. It does sometimes freeze but usually if I close the program and reopen, it works fine.
Laurie Kaye
2020-05-20

Unlock and Lock PDF for iOS

Efficiently manage your PDF files with our Unlock and Lock PDF feature for iOS. This tool empowers you to control access to your documents while ensuring their security. Whether you need to share sensitive information or protect your own content, this feature simplifies the process.

Key Features

Easily unlock password-protected PDF files.
Securely lock your PDFs with custom passwords.
User-friendly interface for straightforward navigation.
Compatibility with various iOS devices.
No internet connection necessary for file management.

Use Cases and Benefits

Share important documents without compromising security.
Prevent unauthorized access to sensitive information.
Protect your business contracts and personal paperwork.
Quickly unlock files for easy editing or sharing.
Enhance confidentiality for your private documents.

This feature addresses your needs for document security and accessibility. By using the Unlock and Lock PDF tool, you gain peace of mind knowing that your files remain protected. You can effortlessly control who views and edits your documents, streamlining your workflow in the process.

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 Use the Unlock PDF and Lock PDF for iOS Feature

Unlock PDF and Lock PDF are two useful features in the pdfFiller app for iOS that allow you to easily manage your PDF documents. Here is a step-by-step guide on how to use these features:

01
Launch the pdfFiller app on your iOS device.
02
Tap on the 'Unlock PDF' or 'Lock PDF' option from the main menu.
03
If you want to unlock a PDF, select the 'Unlock PDF' option. If you want to lock a PDF, select the 'Lock PDF' option.
04
Choose the PDF document you want to unlock or lock from your device's storage or cloud storage services.
05
Once you have selected the PDF, the app will prompt you to enter the password for the document. If the PDF is already unlocked, you can skip this step.
06
Enter the password for the PDF and tap on the 'Unlock' or 'Lock' button.
07
The app will then process the PDF and remove the password if you chose to unlock it, or add a password if you chose to lock it.
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Once the process is complete, you can access the unlocked or locked PDF from the app's document list.
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You can now view, edit, sign, or share the unlocked or locked PDF as needed.

Using the Unlock PDF and Lock PDF features in the pdfFiller app for iOS is a convenient way to manage the security of your PDF documents. With just a few simple steps, you can unlock or lock your PDFs and ensure their privacy and protection.

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
Send the PDF to iBooks. Tap the “Open in iBooks” button that appears. If you have another PDF reader, tap the “Open in” button instead then select the app. View your PDF in iBooks or your PDF reader. If you opened it in iBooks, it will be stored in the app and in your iCloud storage so that you can always access it.
Open Locked PDF Drag and drop your password-protected PDF into this tab. If your PDF file has an open password, then you will get a new window to ask for the open password. Just enter the correct password to open it. If your PDF file has the permission password, then you can open it in Chrome directly.
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.
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.

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Try the PDF solution that respects your time.
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