Convert PNG to PDF Online
Convert PNG to PDF instantly — free, private, no upload to servers.
What Is a PNG to PDF Converter?
A PNG to PDF converter embeds PNG images into PDF documents at original resolution with optional transparency preservation. Each PNG becomes one page in the PDF, maintaining lossless quality. This is ideal for creating professional documents from screenshots, graphics, or scanned images.
Why Convert PNG to PDF?
PDF format is required for professional document submission, print production, and formal sharing. Converting PNG screenshots, graphics, or scanned documents to PDF creates universally readable files that maintain exact visual quality.
Best For:
- Professional document creation from screenshots
- Print-ready files from PNG graphics
- Formal submission of scanned documents
- Creating shareable PDF reports with images
Technical Details
TweakFiles uses pdf-lib to embed PNG images. To keep file sizes reasonable, PNGs are converted to JPG before embedding (using the quality slider setting). Page dimensions match the image dimensions.
How to Convert PNG to PDF in 3 Steps
Upload Your PNG File
Drag and drop your PNG image into the converter above, or click to browse. You can select multiple files for batch conversion.
Convert Instantly
Click the convert button and TweakFiles will instantly transform your PNG file to PDF format — right in your browser, with no upload to any server.
Download Your PDF File
Click download to save the converted file. For multiple files, use the "Download All" button to get everything at once.
TweakFiles vs Other PNG to PDF Converters
| Feature | TweakFiles | Convertio | CloudConvert |
|---|---|---|---|
| Price | Free forever | Freemium ($10/mo) | Freemium ($8/mo) |
| File Privacy | 100% client-side | Uploaded to servers | Uploaded to servers |
| Signup Required | No | After 10 files | After 25 files |
| Batch Conversion | Unlimited | 2 files (free) | 5 files (free) |
| Speed | Instant (no upload) | Depends on internet | Depends on internet |