or Drag & drop files here
Supported formats: image/png, .png
Most PNG to PDF tools flatten your transparent backgrounds. Ours doesn't. Upload a logo with no background, get a PDF with no background. Simple as that. The converter runs entirely in your browser using WebAssembly—your files stay on your device, not our servers.
Tested with 2,847 PNG files during development. Zero transparency issues.
Drop your PNG files onto the page (or click to browse)
Drag to reorder if you're making a multi-page PDF
Toggle transparency settings if you need a solid background
Hit Create PDF and wait a few seconds
Download your finished PDF
Your transparent PNGs stay transparent in the PDF. Logos, icons, graphics—all preserved exactly how you made them.
Convert 50 PNGs into one PDF in about 8 seconds. Try doing that with Preview.
Drag thumbnails around to arrange pages. Way faster than renaming files to get alphabetical order.
Auto-fit to image dimensions, or force A4, Letter, A3. Your choice per conversion.
No signup, no email verification, no "free trial" nonsense. Just works.
Files never leave your browser. We can't see them even if we wanted to.
Chrome, Edge, and Firefox all work. Edge actually performs slightly better on Windows 11.
Safari, Chrome, Firefox—all fine. Safari actually handles large batches really well.
Firefox and Chrome both work. Tested on Ubuntu 22.04 and Fedora 38.
Safari works great. Add to Home Screen for app-like experience.
Chrome performs best. Samsung Internet also works fine.
| Feature | PDFyogi | Preview (Mac) | Adobe Acrobat | iLovePDF |
|---|---|---|---|---|
| Keeps PNG transparency | ✓ Yes | ○ Sometimes loses it | ✓ Yes | ○ Partial |
| Batch conversion | ✓ Up to 100 files | ✗ One at a time | ✓ Yes | ✓ Limited free |
| No file upload to server | ✓ 100% local | ✓ Local | ✗ Cloud upload | ✗ Server upload |
| Free to use | ✓ Completely | ✓ Built-in | ✗ $15/month | ○ Limits apply |
| Custom page sizes | ✓ A3, A4, A5, Letter, Auto | ○ Limited options | ✓ Full control | ✓ Standard sizes |
| Drag-to-reorder pages | ✓ Drag thumbnails | ✗ Manual file naming | ✓ Yes | ✓ Yes |
| No signup required | ✓ No account | ✓ N/A | ✗ Adobe account | ○ For full features |
| Works on mobile | ✓ Full support | ✗ Mac only | ✓ With app | ✓ Yes |
Files sort alphabetically by default. Name them 01-intro.png, 02-chapter1.png, etc., and they'll line up correctly.
The Auto setting fits the PDF page exactly to your image dimensions. Perfect for screenshots you don't want cropped.
Transparent PNGs look weird when printed on some printers. Toggle off transparency and set white background if you're going to print.
A 2MB PNG at High quality becomes roughly 1.8MB in the PDF. Medium drops it to about 900KB with minimal visible difference.
If you're converting 80+ images on Mac, Safari actually manages memory better than Chrome.
Mixed portrait and landscape? Set orientation to Auto. It'll detect and rotate each page appropriately.
Click the rotate button on any thumbnail to fix sideways photos before converting.
Yes, by default. The alpha channel transfers directly to the PDF. You'll only lose transparency if you explicitly turn it off in settings.