How PNG images become PDF pages
A PDF page can hold an image just as it can hold text. When you turn PNG files into a PDF, each picture is embedded in the document and given its own page, so a set of loose screenshots becomes a single file you can scroll through, print, or email.
This tool creates each page with exactly the same width and height as the image, measured in the PDF's own units. A 1200 by 800 pixel PNG becomes a 1200 by 800 unit page with the picture filling it edge to edge, with no margins. Different sized images therefore give pages of different sizes, rather than being fitted to a standard sheet like A4.
Why combine PNGs into a PDF
PNG is the usual format for screenshots, diagrams, charts, and exported designs. Sending ten separate image files is awkward, and they may arrive out of order. A PDF keeps them together in a fixed sequence and opens the same way on almost every device.
It also helps with forms and submissions that only accept PDF, with documentation made from screenshots, and with archiving a series of exported graphics. If your pictures are photos in JPG format, the JPG to PDF page does the same job, and the tool here also accepts JPG files if your set is mixed.
How to make a PDF from PNG files
- Drop your PNG images onto the upload area, or click to select them. You can choose several at once and add more later.
- Look at the thumbnails. Pages will be created in the order the images were added. Click the red trash icon on a thumbnail to remove one.
- Click Create PDF.
- Click Download to save the result as
images.pdf. - Use Start over to clear the list and begin a new document.
Everything happens in your browser through the pdf-lib library, so your images are not uploaded. If something goes wrong, an error says the PDF could not be built and reminds you that JPG and PNG are the supported types.
Things to keep in mind
There is no reordering by dragging, and no options for page size, orientation, margins, or compression. The page always matches the image. If the order is wrong, remove the images and add them again in the order you want. Add files in sequence if you select them in separate batches.
Large PNGs produce large PDFs, because the image data is embedded rather than recompressed into something smaller. A document built from many full-resolution screenshots can be heavy to email. If the finished file is too big, shrink the images first with the Image Resizer, or convert photographic ones to JPG beforehand.
Because pages follow the image size, a very large image gives an oversized page that may look tiny when printed on standard paper unless your print dialog is set to fit to page. If you later need a page back as a picture, PDF to JPG can export each page as an image.