Convert PNG to PDF and Encrypt PDF for Windows Gratis

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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
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Edit, manage, and save documents in your preferred format

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Convert documents with ease

Convert text documents (.docx), spreadsheets (.xlsx), images (.jpeg), and presentations (.pptx) into editable PDFs (.pdf) and vice versa.
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Start with any popular format

You can upload documents in PDF, DOC/DOCX, RTF, JPEG, PNG, and TXT formats and start editing them immediately or convert them to other formats.
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Store converted documents anywhere

Select the necessary format and download your file to your device or export it to your cloud storage. pdfFiller supports Google Drive, Box, Dropbox, and OneDrive.
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Convert documents in batches

Bundle multiple documents into a single package and convert them all in one go—no need to process files individually.
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Preview and manage pages

Review the documents you are about to convert and exclude the pages you don’t need. This way, you can compress your files without losing quality.
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Protect converted documents

Safeguard your sensitive information while converting documents. Set up a password and lock your document to prevent unauthorized access.

How to quickly convert and compress your PDF?

Upload your document

Upload a document from your device, cloud storage, email, or URL.
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Use the converter tool

Select your document and click Convert .
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Select format and destination

Decide on the file type and where you want to save the converted document—on your device or in your cloud storage.
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Manage pages and additional settings

Once everything is set, you can access advanced settings to compress a document by excluding unnecessary pages, set passwords, and select other options.
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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.

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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:
Ibelieve inhaling good faith and today I got it back,at this time I believe I will like your service and am looking forward to a long relationship.Thank You
Jesse B
2014-11-22
trying to find the right form that was not already filled out. Also you need to add the ability to erase to the lowest membership level. You can do a couple of things such as restrict the number of new forms per month, offer a 1-5 form only fee, or only a 1 month membership fee. In the past 3 years I've used this service only twice now as I am not a business.
Anonymous Customer
2015-01-26
Easy to use -- several format/file extension options for saving and ability to link with cloud and sharing platforms makes this so versatile. Having the option to save a filled form as a template is very helpful. The customization and array of options is allowing me to complete tasks, for which I previously needed multiple programs.
Anonymous Customer
2018-11-09
4 stars for now 4 stars for now, I will change it once I receive my refund but I am happy with my interaction with their chat support. His name is Ralph, very straightforward , no wasting of time unlike other customer supports I encountered in the past.
Ralyn Joy Alarcon
2024-09-20
Very supportive i converting documents ad easy to use i like it but if possible will you produce android and i phone app so it will be easy to use it on app.
Robert K
2024-08-10
I would very much like to learn more about PDFfiller, however my Father just recently passed away and I'm currently overwhelmed with his legal matters and don't have a single free moment, at this time. I did LOVE the product!
Nici
2023-10-09
30 Day Free Trial is wonderful. Has all the forms, information, etc to prepare your taxes and file them electronically. Excellent Website. Excellent Brand.
Scott O
2021-04-02
Very useful! What I most liked is the signature with verified by PDFfiller. There are couple of times I cannot edit properly but this should be how the pdf file was created. For example, to change page number, I wasn't able to do this properly so end up sending my forms as they were.
Lucia
2020-09-11
What do you like best? The fact that you can make templates for repeat use. That saves me a lot of time. What do you dislike? The cost is a little high for what I use it for- just doing some monthly billing for a handful of clients. What problems are you solving with the product? What benefits have you realized? It saves me time and I have a lot of difficulties filling out insurance forms by hand as the fields are so small.
Janet Hope Horwitz, Psy.D.
2020-08-26

Convert PNG to PDF and Encrypt PDF for Windows

Transform your PNG images into secure PDF documents effortlessly. This feature gives you the ability to ensure that your files are not only converted quickly but also encrypted for added security. You can maintain the integrity and quality of your images while protecting sensitive information.

Key Features

Seamlessly convert PNG images to high-quality PDF format
Encrypt PDF files to safeguard your sensitive data
User-friendly interface for easy navigation
Batch processing for multiple files at once
Support for various PDF settings and customization options

Use Cases and Benefits

Perfect for professionals who need to present images in a secure format
Ideal for educators sharing resources while protecting their work
Beneficial for businesses wanting to send confidential documents safely
Convenient for individuals organizing personal photos in a portable format
Saves time and effort with bulk file conversion and encryption

This feature serves as a solution to your file management and security needs. By converting PNG to PDF, you preserve the quality of your images while making them more accessible. The encryption function adds a layer of protection, ensuring that your documents remain confidential. Trust this tool to help you work efficiently and protect your valuable information.

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
To convert an image to PDF, select Print from the image viewer and choose the PDF printer (in this example nova PDF) before clicking on OK. If you need to convert several images at once to a single PDF, use Windows Explorer to select all the images for conversion, right-click on one of them and choose the Print option.
Use the built-in feature from Windows 10 Now, select all the images you want to turn into a PDF file, right-click the first one, and choose Print. When the window pops up, select Microsoft Print to PDF printer. Once you're done with all settings, just hit Print. Select a folder where you want to save your PDF file.
Go to the Image to PDF converter. Upload your image. We accept PNG, as well as GIF, TIFF, BMP, and JPG. Then click 'Create PDF Now'.
Choose Tools > Protect > More Options > Encrypt with Password. Choose File > Protect Using Password, and then choose Advanced Password Protection from More Options.
Go to the Image to PDF converter. Upload your image. We accept PNG, as well as GIF, TIFF, BMP, and JPG. Adjust the formatting as needed. Then click 'Create PDF Now'. Continue to modify your PDF, and/or download it to your local drive when you're done.

How to Convert PNG to PDF and Encrypt PDF for Windows - video instructions

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