How to Convert PNG to PDF Without Losing Quality
PNG is the format of screenshots, diagrams, logos and graphics with sharp edges. When you turn PNG images into a PDF, you want that sharpness to survive. With the right tool, it does.
Convert PNG to PDF
- Open Image to PDF.
- Choose your PNG files.
- Arrange the order if you have several.
- Pick a page size (see below) and click Create PDF.
Is quality kept?
Yes. PNG images are embedded in the PDF in their original, lossless form. Text in screenshots and thin lines in diagrams stay as sharp as in the original file. This is different from tools that convert everything to JPG first, which can blur sharp edges.
Which page size to choose
Same as image is often the best choice for PNGs. Screenshots and graphics rarely have the proportions of a printed page, and this option makes each page exactly the size of its image, with no empty space. Choose A4 or Letter if the PDF will be printed or must look like a standard document.
What about transparency?
PNG supports transparent backgrounds, for example around a logo. PNG files are embedded with their transparency, and most PDF readers show transparent areas as white. If you print the PDF, those areas print as the paper color.
Why is my PDF large?
Lossless compression keeps quality but produces bigger files than JPG, especially for photos saved as PNG. If a PNG contains a photograph rather than graphics, converting it to JPG first gives a much smaller PDF with no visible difference. For screenshots and diagrams, PNG is the right format.
Common uses
- Turning a series of app screenshots into a single document for a bug report or tutorial.
- Sharing a diagram or chart as a PDF that opens anywhere.
- Collecting design mockups in one file for review.
- Saving online receipts captured as screenshots.
For screenshots specifically, see how to turn screenshots into a PDF.
Going back from PDF to PNG
To get PNG images from a PDF, use PDF to Image and choose PNG. At 150 DPI the images are sharp on screens; use 300 DPI for print.
Summary
PNG to PDF conversion keeps full quality when the PNG is embedded as is. Use "Same as image" for screenshots and graphics, A4 or Letter for printable documents, and switch photo-PNGs to JPG if file size matters.