Output format
Office files are converted in the app workflow and keep one output format per file.
PNG to PDF is useful when you want to move from a standalone image file into a more portable document workflow. It works well for screenshots, transparent assets, graphics, and supporting material for reports or approvals.
PDF is a convenient choice when you need a portable document instead of a standalone image file.
Yes. The converter attempts to preserve transparency when the source image and browser support it.
Yes. PNG to PDF is a common way to package screenshots and visual references into something easier to share.