What happens to transparent areas?

They are composited onto the background colour you choose, because a PDF page is opaque. Leaving it as white matches what almost every viewer would have shown anyway, and is what prints correctly.

Is PNG better than JPG for this?

For screenshots, diagrams and anything with text, yes — PNG is lossless, so letterforms stay crisp. For photographs it is the wrong trade: the file will be several times larger for no visible gain.

Why is my PDF so large?

PNG is lossless, so a full-resolution screen capture stays heavy once embedded. Run Compress afterwards if size matters more than pixel-exactness.

PNG To PDF | Cine Power Planner

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About PNG To PDF

Converts PNG images into a PDF. PNG carries an alpha channel, so the tool asks what transparent areas should become — white, a colour you choose, or a checkerboard — because PDF pages have no concept of transparency against nothing.

Screenshots frequently contain more than intended — open tabs, filenames, notifications. Conversion happens entirely in your browser, so none of it is uploaded.

How to use PNG To PDF

Add your PNG files.
Decide how transparency is handled — white is right for anything destined for print.
Set page size and whether images fill the page or sit inside margins.
Convert and download.

On a production

Screenshots are PNGs. A sequence of screenshots documenting a camera menu state, a firmware version screen, or a fault on a monitor becomes a single referenceable document instead of a folder somebody has to scroll.

Frequently asked questions

What happens to transparent areas?: They are composited onto the background colour you choose, because a PDF page is opaque. Leaving it as white matches what almost every viewer would have shown anyway, and is what prints correctly.
Is PNG better than JPG for this?: For screenshots, diagrams and anything with text, yes — PNG is lossless, so letterforms stay crisp. For photographs it is the wrong trade: the file will be several times larger for no visible gain.
Why is my PDF so large?: PNG is lossless, so a full-resolution screen capture stays heavy once embedded. Run Compress afterwards if size matters more than pixel-exactness.