Transparency
Preserves PNG alpha channel in PDF output
100% Private
Files never leave your device
Batch Convert
Process up to 100 images at once
Instant Speed
WebAssembly-powered conversion
Why PNG to PDF Conversion Matters
PNG (Portable Network Graphics) is the go-to format for images with transparency, sharp text, and lossless compression. Converting PNG to PDF creates universally shareable documents while preserving image qualityâperfect for portfolios, documentation, and professional presentations.
PNG Advantages
- Lossless compressionâno quality degradation
- Full alpha transparency support
- Perfect for screenshots, logos, and graphics
- Wide software and browser support
Why Convert to PDF?
- Universal format opens on any device
- Combine multiple images into one document
- Professional presentation and printing
- Standard format for official documents
How to Convert PNG to PDF: Step-by-Step
Converting PNG images to PDF with PDFyogi takes less than 30 seconds. Here's exactly how it works:
Upload PNG Files
Drag and drop your PNG files onto the upload area, or click to browse. You can select up to 100 images at once.
Arrange Order
Drag images to reorder them. The order you see is the order they'll appear as pages in your PDF.
Configure Settings
Choose to preserve transparency, set page size (A4, Letter, Auto), and select quality level (Low, Medium, High).
Download PDF
Click "Create PDF" and your document downloads instantly. No waiting, no email required.
When to Convert PNG to PDF
Here are the most common scenarios where PNG to PDF conversion helps:
Design Portfolios
Combine logo designs, UI mockups, and graphics into a professional PDF portfolio for clients or job applications.
Documentation
Convert screenshots and diagrams into shareable documentation. Perfect for technical guides and user manuals.
Print-Ready Files
Create print-ready documents from PNG graphics. Set A4 or Letter size for consistent printing results.
Your Privacy is Protected
Unlike cloud-based converters that upload your files to remote servers, PDFyogi processes everything locally in your browser using WebAssembly technology.
No Server Uploads
Your images are processed entirely in your browserânothing is sent to external servers.
No Data Retention
We don't store, log, or analyze your images. They exist only in your browser's memory.
WebAssembly Powered
Native-speed processing using pdf-lib library running locally in your browser.
Choosing the Right Quality Settings
Select the appropriate quality level based on your use case to balance file size and visual fidelity.
| Quality Level | Compression | Best For | File Size |
|---|---|---|---|
| Low | High compression | Email attachments, quick sharing, web upload | Smallest |
| Medium | Balanced | General use, presentations, documentation | Moderate |
| High | Minimal compression | Printing, archiving, professional portfolios | Largest |
Understanding PNG Transparency in PDFs
PNG's alpha channel transparency can be preserved in your PDF output. Here's what you need to know:
â Transparency Preserved
- ⢠PDF viewers that support transparency (Chrome, Preview, modern Acrobat)
- ⢠When printing to white paper
- ⢠Logos and graphics with transparent backgrounds
- ⢠Design mockups and UI elements
â Use White Background
- ⢠Older PDF viewers may show black backgrounds
- ⢠Some email clients don't render transparency
- ⢠When exact white background is required
- ⢠For maximum compatibility across all devices
Technical FAQ
What happens to my PNG quality during conversion?
Why is my PDF larger than my PNG files combined?
Can I convert PNGs with text and keep it sharp?
What's the maximum file size and number of images?
Does the converter work offline?
Ready to Convert Your PNG Images?
Try our free PNG to PDF converterâno signup required, no file uploads, preserves transparency.
Convert PNG to PDF Now