Free Online Document Annotation

Free Online {{REQUESTED_EXTENSION}} file Annotation

Annotate, Comment and Tag and your Document Contents for Efficient Collaboration

Annotate, Comment and Tag and your {{REQUESTED_EXTENSION}} file for Efficient Collaboration


  Upload & Start

GroupDocs.Annotation App

GroupDocs.Annotation App Supported Document Formats

Microsoft Office Formats
  • Microsoft Word: DOC, DOCX, DOCM, DOT, DOTX, RTF
  • Microsoft Excel: XLS, XLSX, XLSM, XLSB, CSV
  • Microsoft PowerPoint: PPT, PPTX, PPTM, POTX, POTM, PPSM, PPS, PPSX
  • Microsoft Visio: VSD, VSS, VSDX, VST
Other Formats
  • Portable: PDF (PDF/A-1a, PDF/A-1b, PDF/A-2a)
  • OpenDocument: OTP, ODT, OTT, ODS, ODP
  • Images: BMP, GIF, JPG, JPEG, PNG, TIFF
  • AutoCAD: CAD, DWG, DXF
  • Metafiles: EMF, WMF
  • Email: EML, EMLX, MSG
  • Web: HTM, HTML
  • Others: DICOM, DjVu

Discover GroupDocs.Annotation free online app!

{{REQUESTED_FILEFORMAT.Extension}} {{REQUESTED_FILEFORMAT.Name}}

{{REQUESTED_FILEFORMAT.Description}}

Read More

How to

 How to annotate a {{REQUESTED_EXTENSION}} file using GroupDocs.Annotation App

  • Click inside the file drop area to upload a {{REQUESTED_EXTENSION}} file or drag & drop a {{REQUESTED_EXTENSION}} file.
  • Click Upload to start uploading.
  • File will be automatically rendered for you to view instantly.
  • View your {{REQUESTED_EXTENSION}} file and navigate through pages.
  • Create annotations on your {{REQUESTED_EXTENSION}} file.
  • Download the annotated version of your {{REQUESTED_EXTENSION}} file.

Powered By

 GroupDocs.Annotation for .NET API

Powerful document annotating .Net library & API.
Build your own document annotation management applications using our comprehensive set of APIs that allow you to annotate your documents!

More Platforms

 GroupDocs.Annotation for Java

Java version of GroupDocs.Annotation library & API.
Enjoy annotating your documents wherever Java lives!

 GroupDocs.Annotation Cloud

Easy to use cross-platform Cloud solution.
Our REST API helps you to develop cross-platform document annotator. Build tools for annotating all common business documents and image file formats.

Open-Source UI/UX Solutions

 GroupDocs.Annotation for .NET and Java

Integrate GroupDocs.Annotation functionality in your apps using our out-of-the-box open-source front-end solutions based on Angular and GroupDocs.Annotation for .Net/Java.
UI/UX solutions can be run as standalone application or can be integrated in any .Net/Java application, download and build your annotation solution within few clicks!

 GroupDocs.Total for .Net and Java

GroupDocs.Total is an open-source UI/UX solution where all GroupDocs products are working together as one.
GroupDocs.Total provides multiple high quality features against over 120 document formats, such as conversion, signature, parser and much more!