eSign document with Text signature

What is a Text signature?

A Text electronic signature is an arbitrary text that is added to a document in a native way dependent on document type. GroupDocs.Signature provides text signature feature and allows to customize wide range of text settings - from font name, size and color to alignment, borders, shadow effects etc. This is how text signature may look like:  


How to eSign document with Text signature

Let’s try to add digital signature to a PDF programmatically.

To manipulate with text signatures programmatically GroupDocs.Signature provides TextSignOptions class and the whole workflow as easy as follows:

  • Create new instance of Signature class and pass source document path as a constructor parameter.
  • Instantiate the TextSignOptions object according to your requirements and specify Text signature options.
  • Call Sign method of Signature class instance and pass TextSignOptions to it.

This example shows how to add Text signature to document.

using (Signature signature = new Signature("sample.pdf"))
    TextSignOptions options = new TextSignOptions("John Smith")
        // set signature position
        Left = 100,
        Top = 100,
        // set signature rectangle
        Width = 100,
        Height = 30,
        // set Text color and Font
        ForeColor = Color.Red,
        Font = new SignatureFont { Size = 12, FamilyName = "Comic Sans MS" }
    // sign document to file
    signature.Sign("sample_signed.pdf", options);

Advanced Usage Topics

To learn more about document eSign features, please refer to the advanced usage section.

More resources

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

Free Online App

Along with full-featured .NET library we provide simple, but powerful free Apps.

You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.

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