pdf2img

pdf2img is a .NET application that converts PDF pages into image files. It supports multiple output formats, DPI settings, and rendering flags for customized image generation.

Features

• Convert PDF pages to various image formats (PNG, JPEG).
• Specify DPI for high-quality image rendering.
• Support for rendering flags (e.g., Annotations, LcdText).
• Convert specific page ranges.
• Option to overwrite existing files.
• Verbose mode for detailed output.

Usage

pdf2img.exe <input.pdf> <output directory> [options]

Options

• --dpi <dpi>: Resolution in DPI for the output image files. Use 72 for original PDF size. Default is 72.
• --pagerange <range>: Range of pages to convert (e.g., 1-3,5).
• --format <format>: Output image format (png, jpeg). Default is png.
• --quality <quality>: Image quality for JPEG format (1-100). Default is 90.
• --overwrite: Overwrite existing files in the output directory.
• --verbose: Enable verbose output.
• --renderflags <flags>: Rendering flags (comma-separated values). Options:
  • None: 0
  • ForPrinting: 0x800
  • Annotations: 1
  • LcdText: 2
  • NoNativeText: 4
  • Grayscale: 8
  • LimitImageCacheSize: 0x200
  • ForceHalftone: 0x400
  • Transparent: 0x1000
  • CorrectFromDpi: 0x2000

Examples

Convert all pages of a PDF to PNG images at 300 DPI:

```
pdf2img.exe "C:\Path\To\Input.pdf" "C:\Path\To\OutputDirectory" --dpi 300
```

Convert specific pages (1-3 and 5) of a PDF to JPEG images with high quality:

```
pdf2img.exe "C:\Path\To\Input.pdf" "C:\Path\To\OutputDirectory" --format jpeg --quality 100 --pagerange 1-3,5
```

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the MIT License