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Cross-Platform (Core) PDF Viewer Library

The viewer is a viewing and rasterization scroll view component that handles a number of viewing operations including rendering, caching, high level zoom rendering and layout modes.

Viewing represents reading a document and displaying it as the author intended. Through the process of rasterization, it can take document data and convert it into pixels that come together to be rendered on a display.

PDFTron SDK offers the following benefits:

  • Interactive PDF Viewing or Rasterization
  • Full transparency support (Transparency Groups, Soft Masks, including all supported Blend Modes)
  • Core viewing operations (scrolling, panning, zooming, jumping to pages)
  • Standard & custom page viewing modes (e.g. single, facing, cover, scrolling, fit-page, fit-width, etc.)
  • Extensive support for PDF forms & digital signatures
  • Extensive annotation & real-time collaboration support
  • Regex text search across a page or an entire document
  • Manipulate pages (rotate, crop, move, copy/export, delete, merge documents)
  • View PDF separations
  • Easy navigation (with thumbnails, bookmarks, links, and history)
  • Selective viewing and hiding of contents in different layers (OCGs)
  • Security settings (custom encryption & DRM controls, dynamic watermarks)
  • PDF/A viewing mode
  • Support for R2L (Right to Left) languages (e.g. Arabic, Hebrew, etc)
  • Keyboard shortcuts

More features:

  • PDF Image Export (JPEG, TIFF, PNG, and BMP)
  • Advanced image quality and compression settings controlling the rasterization process, allowing the user to choose between the output image quality and rendering speed
  • Reflow
  • Night, sepia and custom-color mode
  • ICC color management
  • Overprint control & preview
  • Display-list caching (speeding-up viewing of complex documents)
  • Direct & serverless rendering support for PDF, Word, PowerPoint, Excel, XPS, plain-text, mark-down, TIFF, and other image formats
  • PDF package support
  • Pressure-sensitive stylus support
  • Infinite Undo/Redo
  • Text to Speech Support
  • Font-substitution control

linkGet started

View a document
To view a PDF document.

Coordinates
To convert between PDF page and screen coordinates.

Get the answers you need: Support

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