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If so you can download any of the below versions for testing. The product will function as normal except for an evaluation limitation. At the time of purchase we provide a license file via email that will allow the product to work in its full capacity. If you would also like an evaluation license to test without any restrictions for 30 days, please follow the directions provided here.

Download Node.js package to view files via JavaScript API

GroupDocs.Signature for Node.js is a high-performance and cross-platform JavaScript API that allows you to build desktop and web file signature applications. It supports over 170 document types from popular categories such as Microsoft Office, OpenOffice, AutoCAD, Photoshop, Visio, images, metafiles, programming, archives, messages, PDF & more.

Get Started

Open NPM package manager, search for GroupDocs.Signature and install.


To install please execute npm i @groupdocs/groupdocs.signature from command line interface to fetch & reference GroupDocs.Signature module in your project.


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Why download GroupDocs.Signature for Node.js?

This Node.js API can seamlessly integrate and enables your JavaScript apps to view file formats, without installing any 3rd party tools.

File Signature Features

  • Document Signature Processing Features
  • Create and add signatures to documents of various file formats.
  • Specify visual attributes of signatures, such as color, font, margins, etc.
  • Search and fetch a list of signatures from a document.
  • Determine if the document contains signatures meeting specified criteria.
  • Extract basic information about the document.
  • Generate image representation of document pages for preview.
  • Distinguish created signatures from the actual document.
  • Put encrypted text into the QR-code signature or embed custom data objects.

Supported File Formats

The supported load file formats of GroupDocs.Signature for Node.js are as follows:

  • Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX\
  • Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM\
  • Microsoft PowerPoint: PPTX, PPTM, PPT, PPSX, PPSM, PPS, POTX, POTM
    OpenOffice: ODT, OTT, ODS, OTS, ODP, OTP
    CorelDraw: CDR, CMX
    Photoshop: PSD
    Metafile: WMF
    Portable: PDF\

For details and limitations please visit, Supported Document Formats.

System Requirements

  • Microsoft Windows
    • Microsoft Windows Server 2003 and later
    • Microsoft Windows XP (x64, x86)
    • Microsoft Windows Vista (x64, x86)
    • Microsoft Windows 7, 8, 8.1 (x64, x86)
    • Microsoft Windows 10 (x64, x86)
    • Microsoft Windows 11 (x64)
  • macOS
    • Mac OS X
  • Linux
    • Ubuntu
    • OpenSUSE
    • CentOS
    • others
  • Node.js
    • Node.js 16 and above
  • Java
    • J2SE 7.0 (1.7)
    • J2SE 8.0 (1.8)
    • above (for example Java 10)

GroupDocs.Signature for Node.js does not require any external software or third party tool to be installed. Just follow one of the ways as described in Installation and Configuration.

Product Page | Docs | Demos | API Reference | Examples | Blog | Search | Free Support | Temporary License

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