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What Is Image to PDF Conversion
Converting images to PDF (Portable Document Format) creates universally viewable documents from visual content. PDFs maintain consistent formatting across all devices and operating systems, making them the standard format for sharing documents professionally. Converting images to PDF is essential for digitizing paper documents, combining multiple images into a single document, and preparing visual content for professional distribution.
This tool converts images to PDF directly in your browser with no server uploads, preserving the privacy of your documents while offering page sizing, orientation, and multi-image support.
PDF vs Image Format Comparison
| Feature | JPEG/PNG | |
|---|---|---|
| Multi-page | Yes — unlimited pages | No — single image per file |
| Text searchable | Yes (with OCR or native text) | No |
| Print consistent | Exact same output everywhere | Depends on viewer/printer settings |
| Password protection | Yes | No |
| Form fields | Yes | No |
| File size | Depends on content | Depends on resolution and compression |
| Editing | Requires PDF editor | Standard image editors |
Common Use Cases
- Document digitization: Scan paper documents as images, then convert to PDF for organized digital archives with consistent formatting
- Portfolio creation: Combine multiple images (designs, photographs, illustrations) into a single PDF portfolio document
- Invoice and receipt archiving: Convert photographed receipts and invoices to PDF for consistent filing and email sharing
- Report generation: Assemble screenshots, charts, and diagrams into a single PDF document for professional reports
- Print preparation: Convert images to PDF with specific page sizes (A4, Letter, custom) for consistent print output
Best Practices
- Choose the right page size — Match the page size to your intended output: A4 for standard documents, Letter for US correspondence, or custom dimensions for specific print requirements.
- Optimize image resolution — For screen viewing, 150 DPI is sufficient. For printing, use 300 DPI. Higher resolutions increase PDF file size without visible improvement.
- Maintain aspect ratio — When fitting images to pages, maintain the original aspect ratio to avoid distortion. Use margins or centering to fill remaining space.
- Compress for sharing — Large images in PDFs create unwieldy files. Apply JPEG compression to embedded images when the PDF will be shared via email or web.
- Add meaningful filenames — Name the output PDF descriptively (e.g., "site-inspection-2024-01-15.pdf" rather than "image.pdf") for easier organization and retrieval.
Frequently Asked Questions
Common questions about the Image to PDF Converter
Open this tool in Safari on your iPhone, tap the upload area, and select photos from your camera roll. You can add multiple photos and reorder them by dragging. Choose your page size (A4, Letter, or Fit to Image), then tap Convert to PDF. The PDF downloads directly to your Files app or can be shared to any app.
ℹ️ Disclaimer
This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.