Your files stay on your device
File processing runs in your browser. Documents are not uploaded to our servers. The site may download processing engines and send usage or feedback events without file contents.
How we handle your dataPNG to PDF
Convert PNG images to one PDF. Original mode preserves image transparency; JPEG preparation fills transparent areas white.
Synthetic example — review the operation settings before running.
Your documents stay on this device. Tool downloads and usage statistics do not include file contents.
Local limits: Max files: 40 / Max total size: 40 MB
Files are processed in your browser. They are not uploaded to this site.
A practical guide
PNG to PDF: a worked example
- Choose two PNG files and check their order.
- Choose paper size and margins; keep original preparation to preserve image transparency.
- Create a two-page PDF and inspect both images.
Try this example
Choose two PNG images and keep original preparation. Create a two-page PDF and inspect transparent areas against the PDF viewer background. JPEG preparation fills transparency white.
Before
- PNG 1
- PNG 2
After
- 2-page PDF
What you get
Convert PNG images to one PDF. Original mode preserves image transparency; JPEG preparation fills transparent areas white.
Limits and important details
Local limits: Max files: 40 / Max total size: 40 MB
Original mode: 40 images, 40 MB input, 16 MP per image / 40 MP total; no EXIF correction. Optional preparation: 10 images, 10 MB each, 40 MB total, 12 MP per image / 24 MP total before decode, 40 MB output. Preparation applies browser EXIF orientation and downsizes without upscaling. JPEG is lossy and fills transparency white; PNG preserves transparency. Image size uses prepared dimensions as PDF points. No HEIC or OCR; limits are not a total memory guarantee.
Example
Choose two PNG images and keep original preparation. Create a two-page PDF and inspect transparent areas against the PDF viewer background. JPEG preparation fills transparency white.