The fastest way to turn an image into a PDF
On Windows, right-click the image file, select Print, then choose Microsoft Print to PDF from the printer dropdown and click Print. On Mac, open the image in Preview, go to File > Export As, change the format dropdown to PDF, and click Save. Both methods take under a minute and create a single-page PDF without installing anything new.
If you have multiple images to combine into one PDF, or if you need to resize or rotate them first, the process is slightly longer but still straightforward. The method you choose depends on whether you're working on Windows or Mac, how many images you have, and whether you want to edit them before converting.
Key Takeaways
- Windows users can print any image to PDF using the built-in Microsoft Print to PDF printer without downloading software.
- Mac users can export images as PDF directly from Preview, which is already installed on every Mac.
- Online converters like CloudConvert or Zamzar work on any device but require uploading your image to a third-party website.
- To combine multiple images into a single PDF, use dedicated tools like IrfanView on Windows or Preview on Mac, or use an online batch converter.
Converting a single image on Windows using Print to PDF
The Print to PDF method is built into Windows 10 and later, so you don't need to download anything. Right-click the image file (JPG, PNG, BMP, or most other formats), then select Print from the context menu. A print dialog will open.
In the printer dropdown at the top, select Microsoft Print to PDF. You'll see options to change the page size, orientation, and margins. The default settings usually work fine. Click the Print button, choose where you want to save the PDF file, give it a name, and click Save. Windows will create a PDF with the image on a single page.
If you don't see Microsoft Print to PDF in the printer list, it may not be enabled. Go to Settings > Devices > Printers & scanners, scroll down, click Add a printer or scanner, wait for the search to finish, then look for Microsoft Print to PDF in the results and click Add device.
Converting a single image on Mac using Preview
Preview is the default image viewer on Mac and includes PDF export built in. Open the image by double-clicking it or right-clicking and selecting Open With > Preview. Once the image is open in Preview, go to the menu bar and click File > Export As.
A save dialog will appear. At the bottom, you'll see a dropdown menu labeled Format — click it and select PDF. Choose where to save the file, enter a filename, and click Save. Mac will create a PDF from the image. If you need to rotate or crop the image before converting, you can do that in Preview first using the Tools menu.
Converting images using free online tools
Online converters work on any device — Windows, Mac, Linux, or mobile — without installing software. CloudConvert and Zamzar are two widely used options. Go to the website, click the button to upload your image, select PDF as the output format, and click Convert. The site will process the image and let you download the PDF.
The trade-off is that you're uploading your image to someone else's server. Most reputable converters delete files after a few hours, but if the image contains sensitive information, this method may not be right for you. Check the website's privacy policy before uploading. Online converters are most useful when you're on a computer where you can't install software or when you need to convert an image format you're unsure your computer can handle.
Combining multiple images into one PDF on Windows
If you have several images you want to merge into a single PDF, the Print method won't work directly — it converts one image at a time. Instead, use IrfanView, a free image viewer for Windows. Download it from irfanview.com, install it, then open IrfanView and go to File > Open to select your first image.
Once an image is open, go to Image > Create Multipage File > Start New Multipage File. IrfanView will ask you to choose a format — select PDF. Then go back to File > Open and add each additional image one at a time, clicking Add Page after each one. When you've added all images, click Save and choose a location for your PDF.
Alternatively, if you only have a few images, you can print them one at a time to PDF using the method described above, then use a free online tool like ILovePDF to merge the separate PDFs into a single file.
Combining multiple images into one PDF on Mac
Preview can handle multiple images in a single PDF. Open Preview and go to File > Open, then hold down the Command key and click each image you want to include. They'll all open in the same Preview window, appearing as separate pages in the sidebar on the left.
You can drag the pages in the sidebar to reorder them. Once they're in the order you want, go to File > Export As, select PDF from the format dropdown, and click Save. Mac will create a single PDF with all the images as separate pages. If you need to rotate or crop any page before saving, click it in the sidebar and use the Tools menu.
Resizing and rotating images before converting to PDF
If your image is too large or too small, or if it's rotated the wrong way, you can fix it before converting. On Windows, right-click the image, select Edit, and use the built-in Photos app to rotate or crop. On Mac, open the image in Preview, click Tools in the menu bar, and select Rotate or Crop. Make your changes, then export to PDF as described above.
For more detailed resizing — if you need to change the image dimensions to specific pixel measurements — use free software like GIMP (available for Windows and Mac) or Pixlr (online). Make your edits, then export or save the result as an image file, and convert that to PDF using one of the methods above.
Frequently Asked Questions
Can I convert a screenshot to PDF?
Yes. Take a screenshot using your normal method (Print Screen on Windows, Command-Shift-3 on Mac), then use the same conversion steps as you would for any other image. The screenshot will be saved as an image file first, then converted to PDF.
What if my image is very large and the PDF looks blurry?
The image quality depends on the original file's resolution. If the PDF looks blurry, the source image itself may be low resolution. Try using the original high-resolution version if you have it. When printing to PDF on Windows, you can also try adjusting the page size in the print dialog to see if a different setting improves the result.
Can I password-protect the PDF after converting?
Most conversion tools don't add password protection. After creating the PDF, you can use free online tools like SmallPDF or ILovePDF to add a password, or use software like Adobe Reader (free version) to open the PDF and set restrictions.
Does converting to PDF change the image quality?
No, the image quality stays the same. The PDF format is just a container — it doesn't compress or degrade the image. The quality of the final PDF depends only on the quality of the original image file.
What image formats can be converted to PDF?
Most common formats work: JPG, PNG, BMP, GIF, TIFF, and WebP. If you have an unusual format and the standard methods don't work, try an online converter, which often supports more formats than built-in tools.