How to Convert PNG to PDF Online
PNG is the format of screenshots, diagrams, logos and design exports — and sooner or later you need to send those as a proper document rather than a folder of loose images. This converter combines any number of PNG files into a single PDF, embedding each image losslessly so nothing is re-compressed and no quality is lost. Everything runs inside your browser, so design work and private screenshots never travel to a server.
Upload your PNG images
Drop PNG or JPG files in any order. Each image becomes one page of the final PDF - add as many as you need.
Arrange and configure
Reorder pages with the arrows, remove unwanted ones, then pick fit-to-image, A4 or Letter page size and set margins.
Download your PDF
Get a single document with your images embedded at full original quality, ready to send, print or archive.
Why Convert PNG to PDF Instead of Sending Images?
A PDF is a document; a folder of PNGs is a mess. When you send five screenshots as five attachments, the recipient has no idea what order they belong in, their email client may sort them alphabetically, and half of them will open in different apps. One PDF solves all of that: fixed order, one file, opens identically everywhere.
PDF also protects your layout. A PNG dropped into a document can be resized, cropped or reflowed by whatever software opens it. Inside a PDF, each page renders exactly as you built it — the same dimensions, the same proportions, on every device and every printer.
Crucially, this tool embeds PNG images losslessly. Your image bytes go into the PDF unchanged, with no JPEG re-encoding and no quality degradation. A crisp screenshot stays crisp; a logo with sharp edges keeps those edges. If you later need the images back, our PDF to PNG converter extracts them at full resolution.
Fit-to-Image or A4: Which Page Size?
| Page Size | What It Does | Best For |
|---|---|---|
| Fit image | Page matches image exactly | Screenshots, artwork, portfolios - no white borders |
| A4 | Image centered on A4 page | Printing, official submissions, most of the world |
| Letter | Image centered on Letter page | Printing in the US and Canada |
Common Situations This Tool Solves
Screenshots into a single report
Bug reports, tutorials and audit trails often consist of a sequence of screenshots. Combine them into one ordered PDF and the reader follows your exact narrative instead of guessing which image came first.
Design portfolios and mockups
Designers export work as PNG for lossless quality. Bundling those exports into a PDF gives clients one professional file that opens identically on any device, with no quality loss from re-compression.
Certificates and documents to submit
Portals usually accept a single PDF, not a batch of images. Merge your PNG scans and certificates into one file, add A4 sizing, and the upload works on the first attempt.
Diagrams and charts for print
Charts exported as PNG stay razor sharp when embedded losslessly into a PDF. Choose A4 with a margin and the result prints cleanly without the edges being cut off.
Frequently Asked Questions
Does converting PNG to PDF reduce image quality?
No. This tool embeds your PNG images losslessly - the original image data goes into the PDF unchanged, with no JPEG re-encoding. Your screenshots and diagrams stay exactly as sharp as the originals.
How do I combine multiple PNG images into one PDF?
Drop all your images at once - each becomes one PDF page. Use the arrow buttons to reorder them, choose your page size, and click Convert to PDF for a single combined document.
Can I change the order of pages before creating the PDF?
Yes. Every image thumbnail has left and right arrows to move it earlier or later, plus a delete button. Rearrange freely until the order is exactly right.
What happens to PNG transparency in the PDF?
PDF pages are opaque, so transparent areas render against the page background, which is white. If preserving transparency matters, keep your original PNG files alongside the PDF.
Should I choose A4 or fit-to-image?
Choose A4 or Letter for anything that will be printed or submitted to a portal - each image is centered on a standard page. Choose fit-to-image for screenshots and artwork where you want no white borders at all.
Is there a limit on how many images I can add?
No hard limit. Because processing happens on your device, very large batches depend on your available memory rather than any server quota.
Can I mix PNG and JPG images in the same PDF?
Yes. This tool accepts both formats and combines them freely. PNGs are embedded losslessly, and JPGs are embedded as they are, without any re-compression.
Is it safe to convert confidential screenshots here?
Yes. Your images are processed entirely inside your browser and are never uploaded to any server, never stored, and never seen by anyone.
How do I convert PNG to PDF on iPhone or Android?
Open this page in Safari or Chrome, tap the upload area, select images from your gallery, arrange them, and download the PDF straight to your Files app.
Why is my PDF larger than the total size of my images?
PDF adds a small structural overhead around each embedded image. Because embedding is lossless, the file size stays close to the sum of your originals - if you need it smaller, compress the PDF afterwards.
How do I extract the images back out of a PDF?
Use our PDF to PNG converter, which renders each page back to a lossless PNG at up to 600 DPI.
Is this PNG to PDF converter really free?
Completely free, with no page limits, no watermarks, no signup and no premium wall. Everything runs in your browser, so there are no server costs to pass on.
Last updated: July 11, 2026 · FlipMyFormat PNG to PDF Converter
Written and maintained by the FlipMyFormat team