PNG to PDF
Turn PNG images into one PDF. Arrange your pages, choose your layout, and save—all in your browser.
Drop PNG images here
Adds three sample images so you can try the tool. They are replaced by your own files.
PNG only. Up to 25 MB and 40 megapixels per image, 100 images per conversion.
You can also paste an image from the clipboard.
Preview
Add a PNG to see a page preview.
Runs in your browser
Your images are read and converted on your device. Nothing is uploaded to a server.
No signup, no watermark
Every setting is available without an account, and the PDF carries no added branding.
PNG stays PNG
Images are embedded as PNG data, so edges stay sharp and transparent areas stay transparent.
How to convert PNG to PDF
Add your PNG images
Choose files, drag them onto the page, or paste an image from the clipboard. Add as many PNGs as you need, up to the limits shown under the queue.
Set the order and layout
Drag the rows or use the move buttons to set the page order. Pick the page size, orientation, margins and how each image sits on its page.
Create and download
Press Create PDF. Download the finished document, or create a separate PDF for each image and take them all as one ZIP file.
Quality, transparency and page layout
Images are embedded, not screenshotted
In the default Original quality mode each PNG is embedded in the PDF as PNG image data. Nothing is converted to JPEG and no resolution is removed, so text in screenshots keeps clean edges and flat colour stays flat.
Transparency is kept as an alpha channel
PNG images with transparent areas keep that transparency in the PDF: it is stored as an alpha channel. A PDF page has no background of its own, so transparent parts show the white paper of the page, or whatever the viewer draws behind it.
Page size, orientation and margins
A4 and US Letter create fixed-size pages; each image is scaled to fit inside the margins and keeps its proportions, so nothing is stretched. Original image size creates a page that matches the image itself: the PNG's own pixels-per-metre value is used when present, otherwise 96 PPI is assumed. Raising PPI afterwards cannot add detail that was never in the image.
Guides
Practical explanations of the choices this tool offers.
- Combine PNG images into one PDFHow page order, file naming and page size work when several PNGs become a single document.
- PNG to PDF without blurry textWhy screenshots lose sharpness, and which settings in this converter keep text and fine lines clean.
- A4, US Letter or original image sizeWhat each page size does to your image, when margins help, and how original size is calculated.
- PDF to PNG: resolution and file sizeThe real pixel dimensions behind 72, 150 and 300 DPI, and what changes when you pick a higher value.
Guides are published in English.
Questions about PNG to PDF
Are my images uploaded anywhere?
No. The conversion runs in your browser with JavaScript. Files are read locally and the PDF is created on your device. The site does not store your images or the generated PDF.
Is there a limit on file size or page count?
Each PNG can be up to 25 MB and 40 megapixels, and one conversion can hold up to 100 images. The limits exist because a browser has to hold every page in memory while it assembles the PDF.
Does the PDF keep transparent backgrounds?
Yes. Transparency is stored in the PDF as an alpha channel, so transparent areas stay transparent instead of turning black. On screen and on paper they appear as the white page behind them.
What is the difference between Original quality and Smaller file?
Original quality embeds each PNG exactly as it is. Smaller file re-encodes every image as PNG with the longest side limited to 1600 pixels, which reduces the size and also reduces detail.
Can several PNGs share one PDF page?
No. Each PNG becomes one PDF page. To combine several PNGs into one document, add them all and keep “Combine all PNGs into one PDF” selected: the order of the queue becomes the page order.
What does crop to fill do?
Fit shows the whole image inside the margins. Crop to fill makes the image cover the whole page area and cuts off the overflowing edges. The preview shows the cropped result before you convert.
Which browsers are supported?
Current versions of Chrome, Edge, Firefox and Safari. On a phone, very large images or long documents can run out of memory, so keep the queue to what you actually need.