Convert PNG to PDF Online

PDFBell's png to pdf tool takes one or more PNG images — screenshots, exported logos, icon sets, or any graphic with a transparent background — and stacks them into a single, properly sequenced PDF file. It's built for the moments a generic png to pdf converter free tool gets wrong: preserving, or optionally flattening, the alpha channel that makes PNG the format designers, developers, and support teams reach for in the first place.

Nothing you add here actually gets uploaded. Every PNG is decoded, laid out, and assembled into the finished PDF directly inside your browser tab, using the same conversion engine that already powers this site's jpg-to-pdf tool. That matters when the images you're combining are internal dashboards, unreleased UI mockups, or support screenshots that include account details you'd rather not hand to an unfamiliar image to pdf converter online.

Add your files, drag the thumbnails into the order you want, and decide how each page should look before you convert. Original size keeps every page at the exact pixel dimensions of its source PNG — the right call for screenshots and diagrams where scale matters. A4 or Letter instead centers each image on a standard printable page with an adjustable margin, which is what you want when the PDF needs to print cleanly or sit next to other documents in a report.

Because PNG is the one common format built around transparency, this converter also lets you decide what happens to it: leave the alpha channel intact so a logo or icon still floats over whatever background the PDF is viewed against, or switch on 'Fill transparent background with white' to flatten every transparent pixel before it's embedded, avoiding a black or checkerboard surprise in PDF viewers that don't render transparency the way a browser does. Combine two screenshots or fifty — there's no daily limit and nothing is ever watermarked.