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File extension .png File extension .pdf
Internet media type image/png Internet media type application/pdf
File format name Portable Network Graphics File format name Portable Document Format
Associated programs Microsoft Windows Photos, Microsoft Paint, Adobe Photoshop CC Associated programs Adobe Viewer, Ghostscript, Ghostview, Xpdf, gPDF, Acrobat Reader
Developed by PNG Development Group Developed by ISO
Initial Release: 1 October 1996 Initial Release: 15 June 1993
Useful links:
Useful links: 


The easiest way to change PNG to PDF online

How to convert a PNG image to a PDF online

It makes no difference if you need to change PNG to PDF for document management, electronically signing it, printing a high-quality image, or doing anything else. AltoConvertPNGtoPDF has you covered. It's at your service 24/7. The platform works online on any device without you having to install any additional software. Follow the guidelines below to learn how to change the format of your files with our fast, free, and secure solution. 

How to turn a picture into a PDF file for free

  1. Upload one or a few images by clicking Choose File or import them from the cloud by selecting the appropriate storage. 
  2. Drag picture thumbnails to rearrange or delete documents.
  3. Click Convert Now! to confirm the conversion.
  4. Wait for a few moments while our service prepares your document. 
  5. Export your file by clicking Download Now.

You can convert as many files as you want with no limits. Just select Start over again to launch a new process and repeat the procedure. Please note that we protect your privacy, and our PDF converter erases all your documents and other data each time you start a new conversion or close the tab. Make sure you've downloaded your converted files to avoid losing your work.

Watch this video to learn how to convert PNG to PDF

We've prepared a short video tutorial to show you each step of the process making sure that converting your files is a simple task. Turn any picture into a PDF file in a couple of clicks absolutely free with AltoConvertPNGtoPDF!

The Supreme Features Comparison Chart

If you look long enough, you’ll find hundreds of websites that offer services for converting PNG to PDF. Save time and energy by checking out the comparison table below to better understand why thousands of daily users choose AltoConvertPNGtoPDF.

View & edit
Split PDF βœ” βœ” βœ”
Merge PDF βœ” βœ” βœ”
Combine & Reorder βœ” ❌ ❌
Extract Pages βœ” ❌ ❌
Compress PDF βœ” βœ” ❌
Rotate PDF βœ” βœ” ❌
No software downloads βœ” βœ” ❌
Cloud storage Unlimited No info No info
Price Free Free 7-Day Trial paid Free 7-Day Trial paid
Encryption and security βœ” βœ” βœ”
Support 24/7/365 No info βœ”
No ads βœ” βœ” βœ”

Customer Reviews β€” Trusted by great people

⭐ ⭐ ⭐️ ⭐️️ ⭐️

What I particularly appreciate is that all the operations here are free. I can create PDF files out of my png images without paying a penny. However, it’s the same quality as other reputable tools.



⭐ ⭐ ⭐️ ⭐️️ ⭐️

I started using the tool after my phone failed to open a png file. I needed to convert it to PDF fast and AltoPDF saved me. Since then I’ve only been using this converter.



⭐ ⭐ ⭐️ ⭐️️ ⭐️

Converting images to PDF files has never been easier for me! The tool’s user-friendly interface speeds up the process. And you can do everything online without any installations!



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How To Convert PNG to PDF

Convert a graphic image to a portable document format with our convenient service. You’ll receive a high-quality file with a professional ALTOPDF converter.

How to Convert PNG to PDF Online

Anyone looking for a service that helps transform files fast, easy and without any additional supporting solutions will appreciate online services. Using these solutions is very simple since you don't have to worry about specialized installation files or complicated interfaces. You also aren't overwhelmed with tons of tools or advertisements. There's no need to worry about security since the service is wholly safe and trustworthy. 

All you have to do is visit the site and take the following steps:

  1. Open the website and import the file.
  2. Select the needed image using one of the presented options.
  3. Click the Convert Now button.
  4. Save the file to your device or the cloud. 

The Alto converter always guarantees high-quality conversion results. The process is completed very fast. Files should be downloaded right after the process finishes. This is because the system (in accordance with the established personal data protection measures) removes the file right after conversion. The file is fully compatible with all internet-connected smartphones, tablets, laptops and desktop computers. This allows you to make conversions anywhere, even on the go.

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How To Convert PNG to PDF in Google Chrome

Google Chrome is known by everyone, even those who don’t even use it. It’s one of the leading browsers since it incorporates a number of features that many other leading browsers do not provide. There are a lot of useful services integrated into the browser’s interface. But it’s important to note that PNG format is not automatically opened in Chrome, like PDF. That is why the basic toolkit available in traditional Chrome will not help. Luckily, Chrome supports extensions that help with the conversion process, like Alto to Convert PNG to PDF tool. Next, the process of conversion with Alto extension goes in the following way:

  1. Install solution from the Chrome Web Store.
  2. Click on the Alto Converter icon in the upper right panel.
  3. The pop-up window will appear. 
  4. Import the image and click the Convert button.
  5. Save the file once the conversion is completed.

The Alto Convert PNG to PDF application does not take up memory on your device and is easily installed on the browser. It is simple to use and there are no limitations on the number of conversions you can make. Using this browser you can fully customize its features and add needed tools and extensions to it and style it according to your needs and tastes. 

Simply put, it will make complicated things easier and simplify working processes while helping you avoid time-consuming tasks.

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How To Convert PNG to PDF in Windows

Windows has pre-installed software -  browser, image viewer, media center for opening video and audio files, etc. But a file conversion tool is not always available. Windows users have a set of choices: one can install the software, use online services or add a browser extension. One of the most preferable choices is selecting the needed software from a trustworthy website, like the Microsoft store. It has both paid and free solutions. Start with the download of the installation file.

These are instructions on how to use software converter:

  1. Open the service and add a file.
  2. Go to the toolkit and select the conversion option.
  3. Include output format and add preferable storage.
  4. Save the changes and the document will appear in the specified folder.

Remember, the installation of a solution from the untrusted source is dangerous. Your computer can easily be infected by a virus or malware. That is why we recommend installing services from the Microsoft store. You get safe service and the conversion results are of the same quality as in the original format. In case you don’t want to spend time on installation, use a cloud-based converter.

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How to Convert PNG to PDF on  Mac OS X with Preview

When using Mac OS, it's easy to see that its built-in solutions help make it easier to complete various operations. You are given the ability to preview images, spreadsheets, and documents in different formats. You can also merge, transform, create and change the format. The included Preview application will help you open PDFs and images, make changes, print and convert them. Since it is a default application, it's available to any Mac user without additional installations or payments.

Changing the image format on Preview can be done by following these steps:

  1. Open the file in Preview.
  2. Click on the CMD+P shortcut and the printing window will appear.
  3. Select the submenu at the bottom left corner, near the PDF button.
  4. Choose the Save as PDF option.
  5. Add your name and preferred storage folder and submit the changes.

Preview easily converts various types of images into PDF and also helps transform TIFF to JPG, GIF to JPG, JPG to GIF, PSD to JPG, and any other variation between these and more formats. In fact, all supported formats by Preview are easily convertible. The operation can also be completed with printing. There is no need to install additional software and you save money since there are no payments.

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How To Convert PNG to PDF Using Adobe Acrobat DC

Adobe Acrobat DC is a polyfunctional solution that constantly improves and enriches its own toolkit. It helps to easily process PDF files. You can also add numerous elements like images, links, videos, and spreadsheets to enrich the existing text. There is the option to certify documents and modify your uploaded documents as well as create new ones. One can create a PDF document from a blank sheet or use a document or image as the basis. For example, PDF is created from Word, Excel, PPT, JPG, PNG, and others. 

This is the lifehack used for file conversion:

  1. Open Acrobat and go to Create PDF tool.
  2. Click on the Select File option.
  3. Upload file and click on Create.
  4. The software will transform your file into PDF. Afterward, edit or save the file on your device.

Those who have not installed Acrobat beforehand will need to download it from the official Adobe website and complete the installation and registration process. After the installation, the number of functions will be available during a 7-days trial period. Next, if you do not update the subscription, the full list of features together with the synchronization with the online cloud storage will work. Those who will not make payment will still have access to the application, but with limited possibilities.

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How to Combine PNG Files Into a Single PDF Online

This process is simple, free, and time-saving because online services, like AltoPDF, do not require any payments or installation and have no limitations. Conversion goes smooth and brings perfect results. With this service, one spends minimal time and effort and gets the same picture as in the original, transformed into Portable Document Format.