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Get started

Download PDFTron SDK
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Quick start - view a document

Integrate with NuGetIntegrate manuallyAdd license keyPermissions (Android)Run samplesUpdate to latest version
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Xamarin.Forms

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Fundamentals

Java binding (Android)Objective-C binding (iOS)Code sharingDocument lockingDocument saving
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Document Viewer

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Document Viewer components

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Annotation and collaboration

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Advanced customization

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Add a custom view to a page

Create a custom toolPage color modePage fit modePage layout modeScrolling direction
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Conversion

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Parsing and extraction

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Digital signatures

OverviewUse digital signature tool
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Form filling

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Search

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Redaction

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Advanced topics

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Reference

LocalizationIcon cheat sheet
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PDF Processing API

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Icon cheat sheet

IconNameDescription
RectangleAdd a rectangle
EllipseAdd an ellipse
PolylineAdd a polyline
PolygonAdd a polygon
CloudAdd a cloud
LineAdd a line
ArrowAdd an arrow
RulerAdd a ruler
Free textType on the document
CalloutFree text with arrows
NoteAdd a comment
InkDraw on the document
EraserErase ink stroke
SignatureAdd a signature
Image stampAdd an image stamp
Rubber stampAdd a rubber stamp
SearchSearch text on internet
Free highlighterHighlight anything
HighlightHighlight text
UnderlineUnderline text
SquigglyAdd a squiggly annotation
StrikeoutStrike out text
SoundAdd a sound annotation
File attachmentAdd a file attachment annotation
Text fieldAdd a text form field widget
Checkbox fieldAdd a checkbox form field widget
Group selectSelects multiple annotations
PanDefault pan tool