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PNG to PDF Convert PNG Images to PDF

Convert one or more PNG images into a single PDF. Transparency preserved. No upload, free.

🖼️

Drop PNG images here

or click to browse — PNG transparency is preserved

0 / 50 filesMax 50MB per file

How to Convert PNG to PDF Online — Free

Converting PNG images to a single PDF takes seconds with Doclair. No software to install, no account needed — and your files never leave your browser.

1

Click Drop PNG images here or drag your PNG files into the upload area.

2

Reorder images by dragging the cards. Use ↺ and ↻ to rotate any image before converting.

3

Choose a Page Size — Fit, A4, Letter, Legal, or A3 — and select portrait or landscape if needed.

4

Click Convert to PDF and download your PDF instantly.

PNG transparency in PDF

PNG files with transparent backgrounds are embedded directly into the PDF using pdf-lib. The transparency is preserved in the embedded image data. Most PDF viewers display transparent areas against a white page background, giving a clean, professional appearance.

Frequently Asked Questions

Yes. PNG transparency is preserved when embedding into PDF using pdf-lib. Transparent areas will appear as white on most PDF viewers, since PDF pages have a white background by default.
Yes. Drop as many PNG files as you need — up to 50 at a time. Each image becomes one page in the PDF, in the order you set by dragging.
Yes. Choose Fit (each PNG fills one page exactly), A4, US Letter, Legal, or A3. Portrait and landscape orientation are both supported for fixed page sizes.
Yes. Each image card has ↺ and ↻ buttons to rotate in 90° increments before the PDF is generated.
Never. All conversion happens in your browser using pdf-lib. Your images are never transmitted to any server — including ours.
Each PNG file can be up to 50 MB. For very large PNG files, conversion may take a few seconds while the image is encoded for embedding.