Encrypt PDF and Merge PDF for Mobile 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 Encrypt PDF and Merge PDF for Mobile - video instructions

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
janice p
2016-12-03
I would like it a little more clear about blank forms and saving filled-in form...little confusing...I find myself deleting from one form to prepare anothe
4
Jason M
2017-05-31
People want to type into box which needs signed into is one problem another is email comes from PDF filler and a lot of people don't know I'm one sending stuff to be signed
4
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.
Run the tool, click on Add files / Add Folder option to insert PDFs & enter the password. Click on the Merge option and hit the Next button. Choose the desired Merge option and select the destination path.
Select a file in the PDF Viewer file browser by long pressing on the cover image of the PDF. This will start the multi-file selection mode. Select additional files for merging by tapping them. Once you're done selecting files, press the merge icon in the multi-file selection bar at the bottom.
Then open the PDF in it, that you want to encrypt. Select the file > security > open password > assign a strong password > click build.
File→Create for creating a new PDF file. Choose Combine Files Into a Single PDF option. Click on Add File, add all the PDF files you want to merge. Add password of the locked PDF files. Click on Combine. File→Saves to save the PDF file.
eSignature workflows made easy
Sign, send for signature, and track documents in real-time with signNow.