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Annotate PDF Online
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VB.NET PDF - Annotate PDF Online with VB.NET HTML5 PDF Viewer

Explanation about Annotating PDF in VB.NET HTML5 PDF Viewer Online

Look for HTML5 PDF Editor?

EdgePDF: ASP.NET PDF Editor is the best HTML5 PDF Editor and ASP.NET PDF Viewer based on XDoc.PDF, JQuery, HTML5. It supports ASP.NET MVC and WebForms projects.

Best online HTML5 PDF Viewer PDF Viewer library as well as an advanced PDF annotating software for Visual Studio .NET

An advanced PDF annotating tool, which is compatible with all Windows systems and supports .NET Framework 2.0 & above versions

Users can add sticky note to PDF document in ASP.NET application

Able to Highlight PDF text in ASPX webpage

Able to underline PDF text with straight line

Support to strikethrough text on PDF page

Support to insert note annotation to replace PDF text

Ability to insert a text note after selected text

Allow users to draw freehand shapes on PDF page

Allow to draw varieties of graph annotations on PDF document, such as straight line, connected lines, arrow, oval, rectangle and polygon

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Users can set graph annotation properties, such as line thickness, color and transparency.

VB.NET HTML5 PDF Viewer: Annotate PDF Online

This part will explain the usages of annotation tabs on RasterEdge VB.NET HTML5 PDF Viewer.

Text Markup Tab





Add sticky note

Click to add a sticky note to PDF document. Fill color and transparency are allowed to be set in properties.


Highlight text

Click to highlight selected PDF text content. Fill color and transparency are able to be set in properties.


Underline text

Click to underline selected PDF text. Users can set underline color and transparency value in properties.


Strikethrough text

Click to strikethrough text on PDF page. Users can change outline color and set transparency value in properties.


Add note to replace text

Click to create a note to replace selected text. Color and transparency are able to be changed.


Add text box

Click to add a text box to specific location on PDF page. Outline width, outline color, fill color and transparency are all can be altered in properties.

Drawing Tab





Draw free form

Users can draw freehand annotation on PDF page, as well as set line thickness, color and transparency.


Draw line

Click to draw straight line with desired line thickness, color and transparency.


Draw arrow

Click to draw an arrow annotation, line thickness, color and transparency can be freely set.


Draw oval

Click to draw an oval annotation on PDF document with specific line thickness, color and transparency.


Draw rectangle

Click to draw a rectangle annotation on PDF page with custom line thickness, color and transparency.


Draw polygon

Draw a polygon annotation with specific line thickness, color and transparency, right click the mouse to complete polygon.


Draw connected lines

Draw connected lines annotation with the specific properties.