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Home / Blog / 4 Best Ways to Combine PNG to PDF [Free Tools Included]

4 Best Ways to Combine PNG to PDF [Free Tools Included]

By Charlotte | Follow twitter | Updated on December 26, 2023
If you’ve ever worked with a bunch of images, you probably have come across the frustration of managing them. Converting or combining these images to a PDF file helps save space on your device and makes them easier to handle and email. When you need to combine PNGs to PDF, how do you do? You can make use of some handy tools.

The good news is there are built-in applications on your computer to help. But you still can turn to a powerful 3-rd party PNG to PDF combiner to improve efficiency. This article will show you all 4 ways in a step-by-step manner, including using SwifDoo PDF. Then, you will know how to combine PNG files into one PDF with minimal effort. 

Benefits of Combining PNGs to PDF

Perhaps you’ve already known the hassle of dealing with a lot of pictures. But are you aware of how you benefit from combining PNG image files to one PDF? Here is an overview of what will happen when you do the combination.

Smaller file size: By combination, you can reduce the file size while maintaining the image quality. This will be incredibly useful if you want to store your images using less space and store more other images.

Ease of share: Those who often need to email photos to others may have to face the file size challenge. PNG to PDF combination can escape you from trouble. A PDF file is lighter than numerous images. Importantly, PDFs are accessible regardless of the operating system and software and have fixed layouts and formatting.

Password protection: When you combine PNGs to a PDF, a huge advantage is that a PDF allows you to add passwords to secure it from unwanted viewing.

Keep organizing images in one place in mind and the above merits you can see, and let’s learn the how-to guides.

Combine PNG to PDF with SwifDoo PDF

SwifDoo PDF is what you are looking for to combine PNGs to PDF in a breeze. The PNG to PDF combiner and converter for Windows 7/8/10/11 is tiny and fast. It allows you to preview the PNG images before merging and arrange them in the order you want them to appear in the PDF. Besides combining PNG files, it can also combine some other images such as JPGs, TIFFs, and HEICs into one PDF.

Read the below steps to combine PNGs to PDF.

Step 1: Open the software, click Create and choose From Image;

Combine PNG to PDF with SwifDoo PDF step 1

Step 2: Hit Add Files to add the PNG files you wish to combine to PDF and select Create a New PDF from the Options menu;

Combine PNG to PDF with SwifDoo PDF step 2

Step 3: Choose the output path and tap Start to get the files into one.

You can double-click the image preview to view the image and ensure you added the right photo. SwifDoo PDF allows you to set a customized PDF page size to fit your image dimension.


  • Combine PNGs to PDF and combine all the widely used image files to one PDF.
  • Merge images like PNGs into one PNG, and combine PDFs into one.
  • Compress, edit and annotate PDFs.
  • Add PNG and other image files to a PDF.

When you just convert a single file, SwifDoo PDF online converter is at your service. It enables you to convert a PNG to a PDF online for free every day.

Combine PNG to PDF Using Microsoft Printer

The Microsoft Print to PDF printer provides another free way to combine PNG files into one PDF on Windows. To combine your PNGs in the order you like with the native virtual printer, you should first name and sort the image files in advance. You can choose the printed PDF page size as needed.

Check the method to combine PNGs to PDF offline without turning to extra software.

Step 1: Select the two or more PNG files you want to combine into one PDF in the right order from File Explorer;

Step 2: Right-click on the selected image files and choose Print from the pop-up menu;

Combine PNG to PDF using Microsoft Printer step 2

Step 3: Choose the Microsoft printer and the page size you desire, and pick a picture layout in the printing dialogue box;

Combine PNG to PDF using Microsoft Printer step 3

Step 4: Click Print, choose a location and let the PNG to PDF merger works its magic.

Merge PNG to PDF with Inkscape

Inkscape is an open-source vector graphics editor that can help combine PNGs to PDF for free on Linux, Windows and Mac. Not like the aforementioned tools, it requires you to import your PNG images one by one and make a collage. Then, use the Save as option to make or combine the multiple PNG files.

Discover the way to use this software.

Step 1: Launch the application, and open a PNG file with it;

Step 2: Smaller the opened image to leave space for other PNGs. Choose File and Import to import another PNG image and place it to your desired position;

Step 3: Continue to add more PNGs you need to combine into a PDF, then choose File and Save as, select PDF as the output format to turn the PNGs into one PDF.

Combine PNG to PDF with Inkscape

While you combine multiple PNG plots to a PDF, the “Corner-to-Corner” feature helps you align the images quickly in the way you like them to display. You can adjust the PDF page size from “File” > “Document Properties”. This method is manual but effective.

Combine PNG to PDF Using Aspose Merger Tool

Aspose is an online tool you can try to combine multiple PNG files to one PDF. It allows you to upload up to 10 PNG image files at a time for combination. After that, you can either download the combined PDF or send the link to an email address. The software also has the ability to compress images, and merge office documents and scans to a single file.

To combine PNGs to PDF online, refer to the process introduced next.

Step 1: Get into the online combiner tool, and upload the PNG files you hope to merge to one PDF;

Step 2: Reorder the images if necessary, and click the Save as button to choose the merged file format as PDF;

Step 3: Tap the MERGE button to accomplish the task.

Combine PNG to PDF using Aspose Merger Tool

If you don’t mind the limitations on the size and number of the uploaded files, this online software is absolutely one of your best helpers to change the PNGs to one PDF. The single file size should not exceed 10 MB.

Final Thoughts

There are both desktop and online tools to combine PNGs to PDF. The method you use depends on your needs and preferences. However, when it comes to efficient and unlimited file merging, it’s better to go with a professional PDF software, SwifDoo PDF. It’s affordable, feature-rich and simple to use.

You can do many more than combine PNG files to one single PDF with the SwifDoo PDF application. Since it allows you to insert images and add pages to a PDF as well as convert PDF to image format, you can combine PDF and PNG or combine PDF pages to one PNG image. Most of the file merging tasks can be done using the powerful program. Contact us if any questions in the introduced ways.

Share this article with more people so they can also learn these great methods. 

Frequently Asked Questions

Q:How do I combine PNG files into one PDF in Preview?

The Preview application included in macOS offers the ability to combine PNG files into a PDF file so Mac users save the time looking for functional software. Follow the next instruction to do that.
Step 1: Select all the PNG files you want to combine on your desktop or in the file folder and control-click on them;
Step 2: Choose the Open with option and pick Preview to open these images;
Step 3: Press the Shift or Command key to select multiple images, and tap File > Export Selected Images;
Step 4: Click the format drop-down menu to select the PDF option in the pop-up window;
Step 5: Go ahead to save and merge the PNG files.

Charlotte has been in the software industry for 8+ years. She works for AWZWARE now as a passionate writer. She is good at providing simple guides to use various video, office and entertainment software. Charlotte also recommends many other useful tools to make your work and life easier. A food lover too.

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