PNG to PDF Converter – Free Online Tool
Convert PNG images to a high-quality PDF document instantly. Supports transparent PNGs, batch uploads, and A4 page sizing.
No signup · No limits · Works on any device
What Is a PNG to PDF Converter?
A PNG to PDF converter is a tool that takes one or more PNG image files and combines them into a single PDF document. PNG (Portable Network Graphics) is a lossless image format widely used for screenshots, diagrams, logos, and graphics with sharp edges or transparent backgrounds. PDF is the standard format for sharing documents professionally, as it maintains precise formatting across every device, operating system, and screen size. Converting PNG to PDF is useful in many practical scenarios: submitting a scanned form or signed document as a PDF, bundling multiple diagram screenshots for a report, packaging design mockups for a client presentation, or creating a photo book from high-resolution PNG exports. Unlike JPG, PNG supports transparency — and FileQuick's converter fully preserves transparent PNG areas when embedding them in the PDF. You can upload up to 20 PNG files at once and reorder them before converting, so the pages appear in exactly the sequence you want. Page sizing options let you keep the original image dimensions or fit each image to a standard A4 page. All processing happens in your browser using pdf-lib. Your PNG files are never uploaded to any server. This is especially important when handling screenshots of private documents, proprietary design files, or personal medical images. The entire process takes just seconds, regardless of how many files you upload.
Why use FileQuick?
PNG images are lossless, which means every pixel is exactly as you captured it. FileQuick's PNG to PDF tool preserves this quality — it embeds your PNG directly into the PDF without re-encoding or degrading the image. Unlike some converters that secretly convert your PNG to JPG before embedding (losing the lossless advantage), FileQuick keeps PNG data intact. And because everything runs in your browser, you don't have to wait for a server or worry about your design files, screenshots, or private images being stored on someone else's infrastructure.
How to Convert PNG to PDF Online — Step by Step
- Click 'Upload Files' or drag and drop your PNG images into the drop zone. You can select multiple files at once.
- Review the file list. Drag or use the ▲▼ arrows to set the page order for the final PDF.
- Choose a page size: 'Original' uses each image's native size. 'A4 Portrait' or 'A4 Landscape' centers the image on a standard A4 page.
- Click 'Convert to PDF'. Your PNGs are processed entirely in your browser.
- Download your new PDF file — clean, lossless, and ready to share.
Frequently Asked Questions
Is the PNG to PDF converter free?
Yes, completely free — no account, no payment, and no limits on how many files you can convert.
Does it support transparent PNG backgrounds?
Yes. PNG transparency is fully supported and preserved when the image is embedded in the PDF. Transparent areas remain transparent in the output.
Can I combine multiple PNG files into one PDF?
Yes. Upload up to 20 PNG files and they will be combined into a single multi-page PDF. Use the reorder controls to set the page sequence.
Are my files uploaded to a server?
No. All conversion happens entirely in your browser. Your PNG files never leave your device and are not stored anywhere.
What page size options are available?
You can keep the original image dimensions, or choose A4 Portrait or A4 Landscape to scale the image to fit a standard A4 page with the image centered.