Lock PDF and Merge PDF for iPhone For 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.

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.

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.

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.

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.

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
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average user rating
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PDFs edited per month
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average to create and edit a PDF
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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 have only been using PDFfiller for a couple of months but it has been a godsend. My son has 3 different court cases going and that is a ton of forms that need to be filled out every time he needs to file or respond. PDFfiller makes the process extremely easy. All I do is search the form, add it to my profile and then fill it out. It retains ALL the information and adds it to the next page so that I am not having to repeat the same information over and over. This is all I have used it for but am looking forward to what other features I will be able to use in the future.
2016-10-31
I was able to type in all my information & save the forms. I did find entering the data to be cumbersome as I had to move the data to the correct spot on the form.
2016-11-18
I've often wished I could fill out information on the screen, not just print off and then fill by hand. My handwriting is really scratchy and hard to read, quite unprofessional. The PDFfiller has been an answer to my prayers.
2017-04-16
The application is smooth and easier to maneuver through all the features. I am impressed with the set-up of tools and the ability to move easily throughout the site to get documents edited, saved and printed.
2017-08-30
I have been having trouble finding forms, and then getting the fill-in fields to work. While I like the end product I'm frustrated that it is not more user friendly.
2018-06-18
PDF Filler
This is a very useful program to me in my work. I can easily send documents to be filled in by customers, easy to use and easy to navigate.
I do not have any cons with this program, if you are not utilizing this you should be. It is highly useful and functional
2018-03-21
Elisa stepped right into action and helped me with my accounting issue. It is so nice to be able to have an account services individual help a customer with ease. This is a very rare occasion especially during this pandemic. Thank you Elisa!!!!!
2020-08-14
Love how easy it is to navigate and how I can auto...
Love how easy it is to navigate and how I can auto fill any areas that I need to write in again. It's very practical and I will be recommending it to anyone, especially because i can access legal documents so easily!
2020-06-07
I thoroughly enjoyed using the platform which made editing and using the documents incredibly easy. Their customer service is also excellent and went above and beyond to accommodate my request immediately.
2020-04-24
Lock PDF and Merge PDF for iPhone
Easily manage your PDF files with our Lock PDF and Merge PDF feature for iPhone. This tool is designed to help you protect your sensitive documents and combine multiple files into one for better organization.
Key Features
Secure your PDFs with password protection
Merge multiple PDF files into a single document
User-friendly interface for quick navigation
Supports various file formats for merging
Preview merged documents before saving
Potential Use Cases and Benefits
Protect confidential documents before sharing them
Combine project files into one for easy access
Prepare legal documents securely and efficiently
Simplify presentations by merging related PDFs
Organize personal records in one secure file
This feature addresses the need for both security and convenience. By locking your PDFs, you prevent unauthorized access while combining files makes information easier to manage. With these tools, you can work confidently, knowing your important documents are both secure and well organized.
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
How do I lock a PDF on my iPhone?
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.
How do I save just one page of a PDF on my iPhone?
Use the Shift key to select a range of pages. Select the File menu while holding the option key and select 'Save as'. Now the saved file is a PDF with just the remaining page.
How do I lock a document on my iPhone?
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 do you combine PDF files on iPhone?
Run the PDF editor app on iPhone. Tap on the Edit icon in the top right corner of the PDF editor app on iPhone, then select the PDF files you want to combine, finally tap the Merge button at the screen bottom to merge the selected PDF files together into one PDF file on your iOS device.
How to Lock PDF and Merge PDF for iPhone - video instructions
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