PNG to PDF

PNG is the format of screenshots, charts, diagrams, scanned line drawings and logos: images with sharp edges, flat colors and text. Unlike JPG, PNG is lossless, so every pixel is stored exactly. This converter keeps it that way. Your PNGs are embedded in the PDF without any JPEG compression, so text in screenshots stays crisp and diagrams keep their clean lines, even when you zoom in.

The other difference is transparency. PNGs often have transparent areas, which a PDF viewer may show as white, black or a checkerboard depending on the app. This tool handles that for you.

With White background switched on (the default), every transparent pixel is filled with white before the page is created. The result looks the same in every viewer, on every printer and in dark mode, which is what you want for documents, reports and anything you will send to someone else.

Switch it off if the transparency itself matters: for example a logo or signature that you will later place over another page with the PDF editor, or artwork headed for a print shop that expects transparent areas. In that case the PNG goes into the PDF with its alpha channel intact.

Same size as the image is usually the best choice for screenshots and designs: each page is exactly as large as its PNG, with no white bands around it, and different sizes can sit in the same PDF. Pixels are converted at 96 per inch, the standard screen density, so a 1920 × 1080 screenshot becomes a 20 × 11.25 inch page that displays at its natural size.

Letter or A4 is better when the PDF will be printed or added to a formal document. Images are scaled to fit inside the margins without being stretched, and Automatic orientation turns wide images to landscape.

• Bug reports and documentation: collect a series of screenshots into one file that is easy to attach and scroll through.
• Lecture slides and whiteboard photos: export slides as PNG, combine and share one PDF.
• Design proofs: send a client several PNG mockups as a single document in a fixed order.
• Scanned forms saved as PNG: many scanner apps save PNG; turn the pages into a PDF that forms and portals accept.

If you have a mix of formats, use Image to PDF, which also reads JPG, WebP, GIF, BMP, HEIC and TIFF. If the resulting PDF is too large, Compress PDF can shrink it to a target size.

The PNGs are read and combined in your browser's memory, and the PDF is saved straight to your device. No server ever sees your screenshots, which often contain names, email addresses or other private details. There is no sign-up and no watermark.