GroupDocs.Signature for .NET is a native .NET API to electronically sign digital documents using various signature types such as text, image, barcode, stamp, form-field, QR-code and metadata. Users can add, edit, verify, delete and search digital signatures within PDF, Microsoft Word, Excel worksheets, PowerPoint presentations, Adobe Photoshop, metafiles and image file formats with additional support for customizing signature properties as needed.
GroupDocs.Signature makes it easy for .NET developers to add image signatures to OTS files within their applications by implementing a few easy steps.
GroupDocs.Signature for .NET APIs are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.
using (Signature signature = new Signature("sample.ots"))
{
ImageSignOptions options = new ImageSignOptions("signature.jpg")
{
// set signature position
Left = 100,
Top = 100,
AllPages = true
};
signature.Sign("SampleSigned.ots", options);
}
Add signatures to OTS files right now by visiting GroupDocs.Signature Live Demos website.
The live demo has the following benefits
No need to download API
No need to write any code
Just upload the source file
Get download link to save the file
A file with .ots extension is an OpenDocument Spreadsheet Template file that is created with the Calc application software included in Apache OpenOffice. Calc application software is the similar to Excel available in Microsoft Office. OTS file format is used to create templates that contain predefine settings related to styles, font, data, spreadsheet layout, and formatting. OTF files have mime-type application/vnd.oasis.opendocument.spreadsheet-template. These template files can be used as a starting point to generate and save actual data files that are saved in ODS file format. OTS files can be used with applications such as OpenOffice and LibreOffice.
Read More About OTS File Format.NET digital signatures management API for documents and images. Add image signatures to some of the popular file formats as stated below.
(Adobe Portable Document Format)
(Microsoft Word Document)
(Microsoft Word Macro-Enabled Document)
(Microsoft Word Open XML Document)
(Microsoft Word Document Template)
(Word Open XML Document Template)
(Microsoft Word Macro-Enabled Template)
(Rich Text Document)
(Open Document Text)
(OpenDocument Text Template)
(Microsoft Excel Binary File Format)
(Microsoft Excel Open XML Spreadsheet)
(Microsoft Excel Macro-Enabled Spreadsheet)
(Microsoft Excel Macro-Enabled Spreadsheet)
(Microsoft Excel Binary Worksheet)
(Microsoft Excel template)
(Microsoft Excel macro-enabled template)
(Open Document Spreadsheet)
(OpenDocument Spreadsheet Template)
(PowerPoint Presentation)
(PowerPoint Open XML Presentation)
(Microsoft PowerPoint 97-2003 Slide Show)
(PowerPoint Open XML Slide Show)
(Microsoft PowerPoint Macro-Enabled Template)
(Microsoft PowerPoint Template)
(Microsoft PowerPoint Presentation)
(OpenDocument Presentation)
(OpenDocument Presentation Template)
(WebP Image)
(Tagged Image File Format)
(JPEG Image)
(Graphics Interchange Format)
(Portable Network Graphic)
(Bitmap File Format)
(CorelDraw Vector Graphic Drawing)
(Scalable Vector Graphics)
(Adobe Photoshop Document)
(Windows Metafile)
(Enhanced Metafile Format)
(Corel Metafile eXchange Image)
(Deja Vu)
(Microsoft PowerPoint Macro-Enabled Slide Show)
(Digital Imaging and Communications in Medicine)
