PNG to PDF Converter
Free, private, no upload. Your files never leave your device.
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- No sign-up
- No watermark
- No daily limits
- Works offline
How to convert PNG to PDF
- 1
Drop your files
Drag & drop or pick files from your device — up to 10 at once.
- 2
Convert locally
FileFlip processes everything in your browser — nothing is uploaded.
- 3
Download
Save each file or grab them all at once as a ZIP.
What is a PNG file?
PNG (Portable Network Graphics) is a lossless image format, so every pixel is kept exactly and re-saving never adds artifacts. It supports full transparency, which makes it the standard for logos, icons, screenshots and graphics with sharp edges or text. Screenshot tools and design apps create PNG files by default. The downside is size: photos saved as PNG are usually much larger than JPEG. People convert PNG to JPG or WebP to make files smaller, and convert to PNG to keep quality or transparency.
How to open a PNG file
- Windows: Photos opens PNG files by default.
- Mac: double-click to open in Preview.
- iPhone: opens in Files or Photos.
- Android: opens in Google Photos or any gallery app.
PNG vs PDF
| Property | PNG | |
|---|---|---|
| File size | Large | Varies |
| Quality | Lossless | Keeps layout |
| Transparency | Full | Not applicable |
| Compatibility | Universal | Universal |
| Best for | Logos, screenshots, graphics | Documents and forms |
PNG is a losslessly compressed raster format famous for pristine line art and transparent background support, but it cannot natively store multi-page documents. PDF serves as the global standard for multi-page document distribution, ensuring universal compatibility across desktop, mobile, and print environments.
This tool embeds your PNG images directly into the PDF structure losslessly without re-compressing them. That means screenshots, typography, and crisp borders maintain their original pixel fidelity, while transparency layers are respected, yielding a compact, professional document that looks identical on any screen.
Everyday Uses for Converting PNG to PDF
Bundling digital records or receipts: Merge multiple transaction screenshots, payment confirmations, and expense snapshots into a single consolidated PDF that accountants or dispute departments can immediately review.
Presenting UI mockups: Collate transparent website elements, application wireframes, and brand asset proposals into a sequential walkthrough that clients and stakeholders can open on any device without specialized image editing software.
Submitting formal documentation: College admissions, legal departments, and government portals frequently prohibit raw image formats. Converting your scanned records, identification cards, or signature PNGs produces an official, universally accepted document that prints accurately.
Why convert in your browser?
Most online converters send your files to their servers and promise to delete them later. FileFlip does the work on your own device instead, so there is nothing to delete: you can even switch on airplane mode after the page loads and it keeps working. See the privacy proof
Frequently asked questions
Will converting my PNG to PDF reduce image quality?
No. PNG images are embedded losslessly without any re-compression, ensuring text, crisp lines, and screenshots remain perfectly sharp in the final document.
What happens to transparent backgrounds in PNG files?
Transparency is fully preserved during conversion. Your graphics maintain their alpha channels and render cleanly on the page without unexpected black borders.
Can I combine multiple PNG images into a single PDF?
Yes. You can add up to 10 PNG images per batch, and each file will be placed on its own page in the exact sequence you arranged.
Is there a file size limit for converting PNG to PDF?
There is no fixed file size limit. Because processing occurs entirely on your device rather than on a remote server, conversion depends only on your browser's available memory.
Are my images ever uploaded to a server?
Never. All document rendering takes place locally inside your browser using client-side JavaScript, meaning your files never leave your computer.
Can I use this PNG to PDF converter offline?
Yes. After loading the page once, the converter remains functional without an internet connection, allowing you to convert files in airplane mode.