PNG to PDF Converter

Overview

Convert PNGs to PDF, transparency and all

PNG to PDF Converter is a free, browser-based tool that turns PNG images into a PDF. Add your files, set a background for any transparent areas, arrange and rotate them, then download one combined PDF or separate files. It runs on your device, so nothing is uploaded.

PNG is the format you get from screenshots, exported graphics, and anything with a transparent background. Those files are great on their own, but when you need to send or print a set of them, a single PDF is far tidier than a folder of loose images. This converter turns your PNGs into one document and gives you control over the parts that usually trip people up.

The big one is transparency. A PDF page is drawn on a solid background, so a transparent PNG normally lands on plain white — sometimes not what you want. The Background Color picker lets you choose what fills those see-through areas, whether that's clean white, a brand color, or a shade that matches your design. You decide instead of being surprised by the result.

Loading is drag-and-drop, and each image shows up as a preview card. Drag the cards to set the page order, and use the rotate button to spin a sideways screenshot upright in 90° steps. The Layout panel sets the Page Size (A4, Letter, or one that fits the image), the Orientation, the Margin, and how each image sits on the page with Fit to Page, Fill Page, or Center. You can also name the output file and choose a single merged PDF or a separate PDF per image.

Everything happens in your browser, so your images are never uploaded to a server — useful when they're screenshots of private accounts or work in progress. PNG is a lossless format, and the tool embeds your images without re-compressing them, so a crisp screenshot stays crisp. There's no watermark and no signup.

The tool also accepts JPGs, so you can mix a PNG and a JPG in the same document if you need to.

Use Cases

When PNG to PDF helps

Screenshots. Combine a sequence of PNG screenshots into one walkthrough or report.
Exported graphics. Turn logos, charts, or design exports into a shareable PDF.
Transparent images. Place transparent PNGs on a chosen background instead of guessing how a viewer renders them.
Print-ready sheets. Pick A4 or Letter with a clean margin for documents you'll print.
Private captures. Convert screenshots of accounts or documents without uploading them.

Guide

How to convert PNG to PDF

The converter uses a three-panel workspace: layout on the left, your images in the middle, output on the right.

Step 1: Add your images

Drag PNG (or JPG) files into the drop zone, or click Select Images. Each one appears as a preview card; use + Add More to bring in extras.

Step 2: Arrange and rotate

Drag the cards to set the page order — the number on each card is its page position. Click the rotate icon to turn a sideways image upright in 90° steps.

Step 3: Set the layout

Choose a Page Size (A4, Letter, or Fit to Image Size), an Orientation, a Margin (None, Small, or 1 inch), and an Image Fit Mode (Fit to Page, Fill Page, or Center).

Step 4: Set the output

Pick a Background Color for transparent areas, choose Single PDF or Individual PDFs (ZIP), and type a filename.

Step 5: Generate and download

Click Generate PDF and save the file. The size estimate updates as you adjust settings.

Realistic example. You have five PNG screenshots, two of them sideways. Add all five, rotate the two, drag them into the right order, set Page Size to A4 and Background Color to white, leave it on Single PDF, name it "setup-guide", and Generate — one clean document.

Advanced tip. For a transparent logo on a colored sheet, set the Background Color to that color and use Center so the logo keeps its size on the page.

Common mistake to avoid. If transparent PNGs look wrong, it's the background — set the Background Color deliberately rather than leaving it to chance.

Recommendation. High-resolution PNGs make a large PDF; shrink it afterward with Compress PDF if needed.

Support

Frequently Asked Questions

How do I combine multiple PNGs into one PDF?

Add all your PNGs at once, arrange the preview cards in the order you want, and keep the output mode on Single PDF (Merge). Click Generate PDF and every image becomes a page in one document. This is the usual choice for screenshots or a set of graphics you want to send as a single file.

My PNG has a transparent background — what happens, and how do I set a background color?

PDF pages are drawn on a solid background, so a transparent PNG would otherwise default to white. Use the Background Color picker to choose what fills the transparent areas — white, a brand color, or any shade you pick. Set it before generating so the see-through parts of your PNG render exactly the way you want.

Can I convert JPG too, or only PNG?

You can convert PNG and JPG/JPEG images, and mix them in the same document. So a PNG screenshot and a JPG photo can sit in one PDF without converting them to a single format first. The Background Color option mainly matters for the transparent PNGs in the set.

How do I reorder or rotate images before converting?

Drag the preview cards to set the page order — the number on each card shows its position in the PDF. If an image is sideways, click the rotate icon on its card to turn it 90° at a time until it's upright. Arrange everything before clicking Generate PDF.

What page sizes, orientation, and margins can I set?

Page Size offers A4, US Letter, or Fit to Image Size (a page matching the image). Orientation is Portrait or Landscape, and Margin can be None, Small (10mm), or Normal (1 inch). Use A4 or Letter with a margin for printing, or Fit to Image with no margin for edge-to-edge images.

What's the difference between Fit to Page, Fill Page, and Center?

Fit to Page scales the whole image to fit, keeping its proportions and leaving any extra space as a margin. Fill Page scales it to cover the whole page, cropping the edges that don't fit. Center places the image at its original size in the middle of the page. Use Fit to Page when the full image must stay visible.

Does converting PNG to PDF reduce quality?

No. PNG is a lossless format, and the tool embeds your images into the PDF without re-compressing them, so a sharp PNG stays sharp. An image can only look soft if it's stretched beyond its resolution — for example, a small PNG forced to fill a large page. At its native size it keeps full quality.

How do I make a separate PDF for each image?

Switch the Output Mode to Individual PDFs (ZIP). Instead of merging, the tool creates one PDF per image and bundles them into a single ZIP archive to download. Choose this when each PNG needs to stay a standalone document rather than pages of one file.

Are my files uploaded — is it safe?

Your images are not uploaded. The conversion runs in your browser, so the files stay on your device and nothing is sent to a server. That matters for screenshots of private accounts, IDs, or work in progress. You can even disconnect from the internet after the page loads and still generate the PDF; closing the tab clears everything.

Can I convert PNG to PDF on my phone's browser?

Yes. The tool works in any modern browser on iPhone or Android — no app needed. Open the page, choose PNGs from your gallery or files, arrange them, set a background and layout, and download. A large batch of high-resolution images processes faster on a laptop than on an older phone.

Is it free, with no watermark or signup?

Yes. Converting is free, the PDF carries no watermark, and there's no account to create. There's no cap on the number of images either — combine a couple of screenshots or a few dozen and download a clean document either way.

The PDF is large — how do I make it smaller?

Because PNGs are lossless, high-resolution images produce a big PDF. To shrink it, lower the resolution of the source images first, or run the finished file through Compress PDF to reduce its size for email or an upload limit while keeping it readable.

Still have questions?

If you can't find the answer you're looking for, feel free to contact our support team.

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