Lock PDF and Merge PDF for iPhone For Free

Upload your document
Select documents
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, or TXT
Note: Integration described on this webpage may temporarily not be available.
0
Forms filled
0
Forms signed
0
Forms sent
Function illustration
Upload your document to the PDF editor
Function illustration
Type anywhere or sign your form
Function illustration
Print, email, fax, or export
Function illustration
Try it right now! Edit pdf

Users trust to manage documents on pdfFiller platform

All-in-one PDF software
A single pill for all your PDF headaches. Edit, fill out, eSign, and share – on any device.

How to Lock PDF and Merge PDF for iPhone - video instructions

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
Verified Reviewer
2019-05-16
Stress free I am able to get many projects done quicker and more efficiently with the use of PDFfiller. I enjoy the benefit of multiple different ways to finalize the project, send for signatures, print, email, save, etc. I love that this software is simple to use and I don't feel I need training to use it. Almost all the functions this software has is what I need to complete task in my professional role. I wish there were ways to combine documents, or if there is, making it easier to do so.
5
Ravi T.
2018-08-08
Very useful to fill PDF and Edit them On the Go. PDF Filling and operations just got easier. PDFfiller is a good software for regular usage as well. 1. Beautiful UI and Editing features. 2. The export feature is very useful and Smart. PDF to Word Export is just a Jiff. I faced a few issues with Multi Format and Locked PDF but worked like a charm in Premium Version. Thanks
5
Desktop Apps
Get a powerful PDF editor for your Mac or Windows PC
Install the desktop app to quickly edit PDFs, create fillable forms, and securely store your documents in the cloud.
Mobile Apps
Edit and manage PDFs from anywhere using your iOS or Android device
Install our mobile app and edit PDFs using an award-winning toolkit wherever you go.
Extension
Get a PDF editor in your Google Chrome browser
Install the pdfFiller extension for Google Chrome to fill out and edit PDFs straight from search results.

pdfFiller scores top ratings in multiple categories on G2

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.
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.
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.
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.
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.
eSignature workflows made easy
Sign, send for signature, and track documents in real-time with signNow.