Access Primitive and High-Level PDF Objects API Reference Barcodes in PDF Best Practices Adjust Font Embedding Cache Repeated Images Create Large Documents, Fast Efficient PDF Loading Improve Text Rendering Load Fonts From a File Optimize Fonts and Font Formats Reduce Size with Object Streams Remove Duplicate Images Use Fallback Fonts Use FontCollection Features Annotations Appearance Streams Caret Annotation Circle Annotation File Attachment Annotation Free Text Annotation Ink Annotation Line Annotation Polygon Annotation Polyline Annotation Redact Annotation RichMedia Annotation Sound Annotation Square Annotation Stamp Annotation Text Annotation Text Markup Annotation Watermark Annotation Widget Annotation Attachment Complex Graphic Layouts Digital Signature Document Document Optimization Font Forms Import and Export Forms Data Form XObjects Graphics Blend Modes Images Incremental Update Layers Layouts Linearization Links Outline Output Intents Pages Parse PDF Documents Print Security Soft Mask Sound Actions Stamps Tables Tagged PDF Text Rotated Text Text Search, Replace and Delete Watermark Getting Started End-User License Agreement License Information Quick Start Redistribution Contacting Sales Technical Support Upgrade to Latest Version Key Features Document Solutions for PDF Overview Document Solutions PDF Viewer Overview UI Customizations Edit PDF Configure Server-Based PDF Editor Configure Wasm-Based PDF Editor Digital Signature Features Align Convert to Content Copy and Paste Default Settings Edit Annotation Timestamp Save PDF Document Editors Annotation Editor Link Annotation Redact Annotation RichMedia Annotation Stamp Annotation Custom Fonts Form Editor Checkbox and Radio Button Sticky Buttons Extract Table Data Graphical Signature Tool PDF Organizer Search and Replace Share and Collaborate Comments Fill Custom Form Input Types Form Filler Keyboard Shortcuts Key Features Licensing and Redistribution Client API Reference View PDF Features Search Custom Context Menu Initial View Settings Page Display Layout Toolbar and Panel Icons View PDF Elements View PDF with Field Formats Configure PDF Viewer Product Architecture Release Notes Breaking Changes DsPdf Release Notes Version 7.0.0 Version 7.1.0 Version 7.2.0 Version 8.0.0 Version 2.0.0.200 Version 2.1.0.260 Version 2.2.0.310 Version 3.0.0.414 Version 3.1.0.508 Version 3.2.0.548 Version 4.0.0.616 Version 4.1.0.658 Version 4.2.0.715 Version 4.2.0.719 Version 5.0.0.762 Version 5.1.0.790 Version 5.2.0.800 Version 6.0.0 Version 6.1.0 Version 6.2.0 Version 8.1.0 DsPdfViewer Release Notes Version 7.0.0 Version 7.1.0 Version 7.2.0 Version 8.0.0 Version 1.0.42 Version 1.1.56 Version 1.2.88 Version 2.0.10 Version 2.1.14 Version 2.2.11 Version 2.2.15 Version 3.0.10 Version 3.1.2 Version 3.2.0 Version 4.0.0 Version 4.1.0 Version 4.2.0 Version 8.1.0 Render HTML to PDF Samples Save PDF as Image Walkthrough Convert HTML to PDF Report