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Free text annotations in PDF-processing components enable users to place editable text directly onto document pages, enhancing notes, comments, or briefing elements without relying on external tools. This feature supports adding visible text blocks (rather than hidden pop-ups) that remain part of the document's content layer, allowing for richer, in-context feedback and markup across workflows such as review, auditing, or collaborative editing.

Several ASP.NET Core PDF controls offer support for free text annotations including:

• Telerik UI PDF for ASP.NET Core (part of Telerik UI for ASP.NET Core) lets developers add customizable free text annotations to PDFs, with control over font, position, and more.
• Document Solutions for PDF by MESCIUS provides a FreeTextAnnotation class that enables developers to place persistent text directly into a PDF, with properties for customization.
• ImageGear for .NET by Accusoft supports FreeText via its ART marks API, allowing the creation of text annotations on PDFs and exporting them as FreeText annotation objects.
• Syncfusion ASP.NET Core PDF (part of Syncfusion Essential Studio Enterprise) allows developers to add free text annotations to PDFs with several customization options.

For an in-depth analysis of features and price, visit our ASP.NET Core PDF controls comparison.

Compare ASP.NET Core PDF Controls