Adobe describes combining multiple PNG files into a single PDF as a practical way to manage related images. How to combine PNG files into one PDF | Adobe Acrobat
The PNG to PDF tool accepts multiple image files in a single upload via its isMultipleInput upload step.
PNG To PDFCombine Multiple PNG Screenshots Into One Ordered PDF
Drop all the PNG files you want combined into the upload area at once.
A mergePages toggle controls whether the tool outputs one combined PDF for all images or a separate PDF per image.
Enable the mergePages toggle to produce a single document.
Ordering Pages in the PNG to PDF Tool
Uploaded pages can be dragged and reordered before conversion through the handleRearrangePages handler passed to each draggable preview.
Drag the preview thumbnails to arrange the images in your preferred sequence.
Review the page order before starting the conversion.
Downloading and Resetting the PNG to PDF Workflow
Download the merged PDF from the results panel.
Once the merged PDF downloads, the start-over control wipes the current batch so a new set of PNG files can be combined without reloading the page.
Select the start-over option to clear the workspace for a new batch.
Continue with PNG to PDF Page Size, Margins, and Orientation or PNG to PDF Without Losing Quality.
Frequently Asked Questions about Combine Multiple PNG Into One PDF
How do I upload multiple PNG files at once?
Use the upload area to select several PNG files simultaneously.
Where do I change the order of the images?
Drag the image previews to the desired positions in the list.
How do I get one PDF instead of multiple files?
Switch on the merge toggle before converting to combine every image into one PDF.
How do I start a new conversion after downloading?
Open a new batch by choosing the reset link on the results screen.