Secure PDF File and Encrypt PDF for iPhone 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
Note: Integration described on this webpage may temporarily not be available.
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free

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
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:
i was upset with the fact i could not print/save the doc after editing it, but after shooting a rant to support, they responded within the hour and gave me a 30 day trial run. i really like the app, and you guys really should consider doing a 30 day trial right off the bat, first sign up. anyhow, service rocks, i will def toss some cash yalls way when my trial runs out :)
2014-09-26
PDFfiller is a great tool that allows me to conveniently complete forms that result in a professional look. The verified signature is a useful feature that I really appreciate since it streamlines the completion process on numerous forms.
2015-09-24
So far the app itself is great. A bit disappointed that the add on internet said cost would be 35.00 and change but when it came time to pay, couldn't get to pay pal choice and cost charged to my card was 75 dollars for basic, one year.
2018-04-03
I love it
I love it! I am a teacher and due to COVID-19, I have had to learn how to teach online. This program allows me to give feedback directly on the page for each student, as well as create and personalize assignments. It's been a lifesaver!
2020-04-15
Support has been helpful several times.
Support has been helpful several times.
It takes a bit of patience, but whenever I need help, they have been able to solve my problem succesfully!
2024-09-18
Very effective tool that enables me to upload and mark students PDF assessments. I would love to learn more to speed up the process further and have some questions re adding colour to symbols i.e. tick symbol
2024-05-04
Help me get a deliverable done in time
I've only used it for 30 minutes or maybe an hour but it has helped me merge a bunch of PDFs that I was having issues with and needed t get dne iin time for a contract delivery.
2023-11-29
I have used PDFfiller and it is a great time saver. By making any form to a can be filled. form online.. Its great to find a form that I need , but its not fillable, this fixs that... Their customer service is great, helped me the fist call..
2020-10-11
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.
2020-05-20
Secure PDF File and Encrypt PDF for iPhone
Enhance your document security with our Secure PDF File and Encrypt PDF feature for iPhone. This tool ensures that your important files remain protected from unauthorized access. You can share sensitive information with confidence, knowing it is safeguarded.
Key Features
Strong encryption for PDF files
User-friendly interface for easy navigation
Password protection to restrict access
Ability to share securely via email or cloud services
Support for multiple encryption algorithms
Potential Use Cases and Benefits
Protect confidential business documents during sharing
Safeguard personal data like tax forms or medical records
Ensure compliance with privacy regulations
Maintain control over access to sensitive files
By using Secure PDF File and Encrypt PDF, you can solve the problem of unauthorized access to your documents. With this tool, you gain peace of mind knowing your sensitive information is securely encrypted. This feature not only protects your data but also enhances your productivity by allowing you to share files easily while maintaining their confidentiality.
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!
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
Can you put a password on files on 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 I password protect a PDF on my phone?
Start by downloading the app from Google Play. Next, open it > password protection > import the PDF from your device memory. If you don't see any directory, clear the app data and try again. Now, you'll see two password option owner password and user passwords.
How do you encrypt files on iPhone?
MORE: Mobile Security Guide: Everything You Need to Know.
Tap on your device's Settings icon.
Tap on the “General” tab.
Under “General,” scroll down to the option “Touch ID & Passcode.”
Under “Touch ID & Passcode,” turn “Simple Passcode” on or off.
Set a passcode.
How do I send a secure PDF attachment?
Choose Tools > Protect > More Options > Encrypt with Password.
Choose File > Protect Using Password, and then choose Advanced Password Protection from More Options.
How do I encrypt a folder on my iPhone?
Download Pinault. This application securely stores your private iPhone photos by creating a folder and locking the folder once you exit the application.
Download Secure Folder.
Download HD Secure File Storage/Viewer.
How do you make a private folder on iPhone?
To hide a photo or video, select it, then use the share icon to bring up the share sheet. Scroll through the bottom row of activities until you see “Hide.” Tap that, then “Hide Photo” or “Hide Video” to get the job done. To view your hidden media, just open the new “Hidden” folder in the “Albums” tab.
How do I password protect a PDF file on my phone?
Start by downloading the app from Google Play. Next, open it > password protection > import the PDF from your device memory. If you don't see any directory, clear the app data and try again. Now, you'll see two password option owner password and user passwords.
How to Secure PDF File and Encrypt PDF for iPhone - video instructions
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